Showing 504 of a total of 6347 items
Sort by: artist - price ▲ - price ▼ - newly listed ▲ - oldest listed ▼ - originals before reissues
MOUSE ON MARS - AAI:
Experimental/IDM from 2021, far out to say the least. US original, on grey marble vinyl.
Experimental/IDM from 2021, far out to say the least. US original, on grey marble vinyl.
house, techno & electronic
MOVE - CALIFORNIA MAN:
Compilation from 1974. Cover has small punch hole (not in photo).
Compilation from 1974. Cover has small punch hole (not in photo).
rock / pop
MOVERS - 1970-1976:
Compilation with 14 tracks by South African band The Movers - mainly groovy organ soul/funk/afro instrumentals but a few vocal tracks as well, check "2nd Avenue" and "Soul Crazy".
Compilation with 14 tracks by South African band The Movers - mainly groovy organ soul/funk/afro instrumentals but a few vocal tracks as well, check "2nd Avenue" and "Soul Crazy".
afro / tropical / world
MOXIE - MOXIE 16 / FEELS SO GOOD / UP AND DOWN (BEEP!):
Re-edit of Donald Byrd's "Love has come around".
Re-edit of Donald Byrd's "Love has come around".
disco
MOZART / COLIN DAVIS / BBC SYMPHONY CHORUS & ORC...
LE NOZZE DI FIGARO
PHILIPS - Holland Original
BOXLP · VG+/VG · 30 SEK
LE NOZZE DI FIGARO
PHILIPS - Holland Original
BOXLP · VG+/VG · 30 SEK
IN STOCK
MOZART / COLIN DAVIS / BBC SYMPHONY CHORUS & ORCHESTRA - LE NOZZE DI FIGARO:
4LP box set with 46-page booklet/libretto. Box has edge wear, tearing.
4LP box set with 46-page booklet/libretto. Box has edge wear, tearing.
classical
MOZART / AMADEUS-QUARTETT
DIE GROSSEN STREICHQUAR...
DEUTSCHE GRAMMOPHON - Germany Original
BOXLP · EX/VG+ · 100 SEK
DIE GROSSEN STREICHQUAR...
DEUTSCHE GRAMMOPHON - Germany Original
BOXLP · EX/VG+ · 100 SEK
IN STOCK
MOZART / AMADEUS-QUARTETT - DIE GROSSEN STREICHQUARTETTE:
5LP box set including booklet. Box has sticker + minor sticker mark on front. German original.
5LP box set including booklet. Box has sticker + minor sticker mark on front. German original.
classical
MOZART / BACH / CLAUDE MONTEUX / PIERRE MONTEUX
FLUTE CONCERTO IN D MAJ...
DECCA - UK Original
LP · VG+/VG+ · 120 SEK
FLUTE CONCERTO IN D MAJ...
DECCA - UK Original
LP · VG+/VG+ · 120 SEK
IN STOCK
MOZART / BACH / CLAUDE MONTEUX / PIERRE MONTEUX - FLUTE CONCERTO IN D MAJOR / SUITE NO.2 IN B MINOR / ORPHÉE ET EURYDICE:
UK stereo original from 1964. Cover has tiny tear at opening, old shop sticker on front.
UK stereo original from 1964. Cover has tiny tear at opening, old shop sticker on front.
classical
MOZART / DELLA CASA / LUDWIG / LOOSE
COSI FAN TUTTE (HIGHLIG...
DECCA - UK Original
LP · VG/VG+ · 150 SEK
COSI FAN TUTTE (HIGHLIG...
DECCA - UK Original
LP · VG/VG+ · 150 SEK
IN STOCK
MOZART / DELLA CASA / LUDWIG / LOOSE - COSI FAN TUTTE (HIGHLIGHTS):
UK stereo original from 1959.
UK stereo original from 1959.
classical
MOZART / FERENC FRICSAY
LE NOZZE DI FIGARO / DI...
DEUTSCHE GRAMMOPHON - Germany Original
BOXLP · VG+/VG+ · 45 SEK
LE NOZZE DI FIGARO / DI...
DEUTSCHE GRAMMOPHON - Germany Original
BOXLP · VG+/VG+ · 45 SEK
IN STOCK
MOZART / FERENC FRICSAY - LE NOZZE DI FIGARO / DIE HOCHZEIT DES FIGARO:
German mono original, including the 76 page libretto. Sticker remains on front of box cover.
German mono original, including the 76 page libretto. Sticker remains on front of box cover.
classical
MOZART / GUEDEN / ERICH KLEIBER
HIGHLIGHTS FROM LE NOZZ...
DECCA - UK Original
LP · VG/VG+ · 180 SEK
HIGHLIGHTS FROM LE NOZZ...
DECCA - UK Original
LP · VG/VG+ · 180 SEK
IN STOCK
MOZART / GUEDEN / ERICH KLEIBER - HIGHLIGHTS FROM LE NOZZE DI FIGARO:
UK stereo original from 1960. Record has a couple of marks causing very soft clicks. Cover has old shop sticker on back, small tear on spine.
UK stereo original from 1960. Record has a couple of marks causing very soft clicks. Cover has old shop sticker on back, small tear on spine.
classical
MOZART / HANS LEYGRAF
PIANOSONATER / PIANO SO...
SR RECORDS - Sweden Original
2xLP · VG+/VG · 75 SEK
PIANOSONATER / PIANO SO...
SR RECORDS - Sweden Original
2xLP · VG+/VG · 75 SEK
IN STOCK
MOZART / HANS LEYGRAF - PIANOSONATER / PIANO SONATAS / KLAVIERSONATEN VOL. 1:
2LP from 1982. Cover has 8x5 cm sticker on front top left corner (not in photo). Swedish original, with insert.
2LP from 1982. Cover has 8x5 cm sticker on front top left corner (not in photo). Swedish original, with insert.
classical
MOZART / INGRID HAEBLER / HENRYK SZERYNG
SONATEN FÜR KLAVIER UN...
PHILIPS - Germany Original
LP · VG+/VG+ · 180 SEK
SONATEN FÜR KLAVIER UN...
PHILIPS - Germany Original
LP · VG+/VG+ · 180 SEK
IN STOCK
MOZART / INGRID HAEBLER / HENRYK SZERYNG - SONATEN FÜR KLAVIER UND VIOLINE, KV 380 UND KV 306 / VARIATIONEN KV 360:
German original. Cover has small sticker on back, minr sticker residue on front.
German original. Cover has small sticker on back, minr sticker residue on front.
classical
MOZART / LEONARD BERNSTEIN / VIENNA PHILHARMONIC
SYMPHONY NO. 36
DECCA - UK Later Pressing
LP · VG/VG+ · 100 SEK
SYMPHONY NO. 36
DECCA - UK Later Pressing
LP · VG/VG+ · 100 SEK
IN STOCK
MOZART / LEONARD BERNSTEIN / VIENNA PHILHARMONIC - SYMPHONY NO. 36:
Some light marks on record, plays well with some background noise. UK later pressing.
Some light marks on record, plays well with some background noise. UK later pressing.
classical
MOZART / MÜNCHINGER / STUTTGART CHAMBER ORCHESTER
EINE KLEINE NACHTMUSIK ...
DECCA - UK 2nd Pressing
LP · VG/VG+ · 200 SEK
EINE KLEINE NACHTMUSIK ...
DECCA - UK 2nd Pressing
LP · VG/VG+ · 200 SEK
IN STOCK
MOZART / MÜNCHINGER / STUTTGART CHAMBER ORCHESTER - EINE KLEINE NACHTMUSIK / DIVERTIMENTO NO.1 IN D:
UK 2nd stereo pressing, "Made in England by" on labels, deep groove. Ligh marks on record, plays well with minor distractions.
UK 2nd stereo pressing, "Made in England by" on labels, deep groove. Ligh marks on record, plays well with minor distractions.
classical
MOZART / NICOLAI GEDDA / GUNDULA JANOWITZ
DIE ZAUBERFLÖTE
HIS MASTER'S V... - UK 2nd Pressing
BOXLP · VG+/VG+ · 150 SEK
DIE ZAUBERFLÖTE
HIS MASTER'S V... - UK 2nd Pressing
BOXLP · VG+/VG+ · 150 SEK
IN STOCK
MOZART / NICOLAI GEDDA / GUNDULA JANOWITZ - DIE ZAUBERFLÖTE:
3LP box set with booklet. A couple of light surface marks not affecting play. UK 2nd stereo pressing from 1964.
3LP box set with booklet. A couple of light surface marks not affecting play. UK 2nd stereo pressing from 1964.
classical
MOZART / RAFAEL KUBELIK
THE SIX LAST SYMPHONIES...
CBS MASTERWORKS - Europe Original
BOXLP · VG+/VG+ · 60 SEK
THE SIX LAST SYMPHONIES...
CBS MASTERWORKS - Europe Original
BOXLP · VG+/VG+ · 60 SEK
IN STOCK
MOZART / RAFAEL KUBELIK - THE SIX LAST SYMPHONIES 35, 36, 38, 39, 40, 41:
3 LP box set. Sides 1-5 are NM, side 6 is VG+ with some minor marks. Box cover has a name written on back. European original, with insert.
3 LP box set. Sides 1-5 are NM, side 6 is VG+ with some minor marks. Box cover has a name written on back. European original, with insert.
classical
MOZART / SIR GEORG SOLTI / LONDON PHILHARMONIC ORCHESTRA
LE NOZZE DI FIGARO
DECCA - UK Original
BOXLP · NM/VG+ · 150 SEK
LE NOZZE DI FIGARO
DECCA - UK Original
BOXLP · NM/VG+ · 150 SEK
IN STOCK
MOZART / SIR GEORG SOLTI / LONDON PHILHARMONIC ORCHESTRA - LE NOZZE DI FIGARO:
4LP box from 1982. UK original, with booklet.
4LP box from 1982. UK original, with booklet.
classical
MOZART / WILHELM BACKHAUS
SONATAS K.282, 283, 330...
DECCA - UK Original
LP · VG/VG+ · 100 SEK
SONATAS K.282, 283, 330...
DECCA - UK Original
LP · VG/VG+ · 100 SEK
IN STOCK
MOZART / WILHELM BACKHAUS - SONATAS K.282, 283, 330 & 332 / RONDO K.511:
UK stereo original from 1967.
UK stereo original from 1967.
classical
MPS RHYTHM COMBINATION & BRASS
MY KIND OF SUNSHINE
MPS / BASF - Germany Original
2xLP · VG/VG+ · 120 SEK
MY KIND OF SUNSHINE
MPS / BASF - Germany Original
2xLP · VG/VG+ · 120 SEK
IN STOCK
MPS RHYTHM COMBINATION & BRASS - MY KIND OF SUNSHINE:
"Timbales Calientes" tough latin-inspired fusion. LP 1 is VG+ with some light sleeve marks, LP 2 is VG with some more scuffing but nothing troublesome, plays alright. Cover has gold price sticker on front. German original, 33 21331-5 with red labels.
"Timbales Calientes" tough latin-inspired fusion. LP 1 is VG+ with some light sleeve marks, LP 2 is VG with some more scuffing but nothing troublesome, plays alright. Cover has gold price sticker on front. German original, 33 21331-5 with red labels.
european fusion & funk jazz
MR MUTHAFUCKIN' EXQUIRE - SAME:
2019 hip hop/cloud rap with a hard edge. Listen to "FCK boy" or "Polarity". Orange vinyl.
2019 hip hop/cloud rap with a hard edge. Listen to "FCK boy" or "Polarity". Orange vinyl.
hip hop
MR. COMPLEX - IMA KILLIT / BIG FRONTER:
US original from 1999, pic sleeve in shrink.
US original from 1999, pic sleeve in shrink.
hip hop
MR. COMPLEX WITH PHAROAHE MONCH
STABBIN' YOU / GIT...
RAWKUS - USA Original
12 · VG+/NM · 45 SEK
STABBIN' YOU / GIT...
RAWKUS - USA Original
12 · VG+/NM · 45 SEK
IN STOCK
MR. COMPLEX WITH PHAROAHE MONCH - STABBIN' YOU / GITCHA GITCHA GITCHA:
Rough & rugged indie hip hop that sounds great on a big system! US original with picture sleeve in shrink.
Rough & rugged indie hip hop that sounds great on a big system! US original with picture sleeve in shrink.
hip hop
MU - AFRO FINGER AND GEL:
Electro-ish sounds from 2003, produced by Maurice Fulton. Contains the indie club hit "Let's get sick". French original.
Electro-ish sounds from 2003, produced by Maurice Fulton. Contains the indie club hit "Let's get sick". French original.
house, techno & electronic
MU QUINTET - SUMMIT:
Fine debut album by Leeds-based quintet working in the modal, spiritual and free jazz-vein - "Maya's Mood" and "Diogenes' Pot" are excellent! Limited to 250 hand-numbered copies.
Fine debut album by Leeds-based quintet working in the modal, spiritual and free jazz-vein - "Maya's Mood" and "Diogenes' Pot" are excellent! Limited to 250 hand-numbered copies.
european jazz
MU-PROJECT - ASIA DREAM:
Dreamy Japanese new wave from 1985, listen to "Mohabbat". Reissue, with insert.
Dreamy Japanese new wave from 1985, listen to "Mohabbat". Reissue, with insert.
punk / new wave
MUDD / FRANCOIS K
TOO HIGH TO MOVE: THE Q...
PYRAMIDS OF MARS - UK Original
12 · VG+/VG+ · 120 SEK
TOO HIGH TO MOVE: THE Q...
PYRAMIDS OF MARS - UK Original
12 · VG+/VG+ · 120 SEK
IN STOCK
MUDD / FRANCOIS K - TOO HIGH TO MOVE: THE QUIET VILLAGE REMIX SAMPLER:
Nice dubby remake of FK's "Road of life"! Pic sleeve has a tiny nick on opening.
Nice dubby remake of FK's "Road of life"! Pic sleeve has a tiny nick on opening.
house, techno & electronic
MUDDY WATERS - FATHERS AND SONS:
1969 session with Mike Bloomfield, Buddy Miles, Paul Butterfield & co. Listen to "Forty days and forty nights". Cover has two stickers on front. Finnish later pressing.
1969 session with Mike Bloomfield, Buddy Miles, Paul Butterfield & co. Listen to "Forty days and forty nights". Cover has two stickers on front. Finnish later pressing.
blues & blues rock
MUDDY WATERS - IN MEMORIAM:
2LP compilation from 1986.
2LP compilation from 1986.
blues & blues rock
MUDDY WATERS - SAIL ON:
1958 compilation with classics like "Hoochie coochie man" and "Rollin' stone". Record has a few light marks and tiny pressing bubbles, plays fine. Cover has tiny tear on front. This copy is in torn shrink. US later pressing with light blue labels.
1958 compilation with classics like "Hoochie coochie man" and "Rollin' stone". Record has a few light marks and tiny pressing bubbles, plays fine. Cover has tiny tear on front. This copy is in torn shrink. US later pressing with light blue labels.
blues & blues rock
MUDDY WATERS / MCKINLEY MORGANFIELD
MCKINLEY MORGANFIELD A....
CHESS - USA Original
2xLP · EX/VG+ · 300 SEK
MCKINLEY MORGANFIELD A....
CHESS - USA Original
2xLP · EX/VG+ · 300 SEK
IN STOCK
MUDDY WATERS / MCKINLEY MORGANFIELD - MCKINLEY MORGANFIELD A.K.A. MUDDY WATERS:
2LP compilation from 1971. Records in fine shape with just a bit of strage wear. Cover has light ring/corner/rub wear.
2LP compilation from 1971. Records in fine shape with just a bit of strage wear. Cover has light ring/corner/rub wear.
blues & blues rock
MUHAL RICHARD ABRAMS - SPIRAL - LIVE AT MONTREUX 1978:
Solo piano album recorded live in 1978. Listen to "D Song". Clean copy, cover just has a saw cut on lower seam (not on website photo). US original.
Solo piano album recorded live in 1978. Listen to "D Song". Clean copy, cover just has a saw cut on lower seam (not on website photo). US original.
free jazz & avantgarde
MULATU ASTATKE
ETHIOPIAN MODERN INSTRU...
HEAVENLY SWEETNESS - France Reissue
LP · M/M · 275 SEK
ETHIOPIAN MODERN INSTRU...
HEAVENLY SWEETNESS - France Reissue
LP · M/M · 275 SEK
IN STOCK
MULATU ASTATKE - ETHIOPIAN MODERN INSTRUMENTALS HITS:
Ethiopian jazz recordings from 1969-1972. The music is totally unique & has a raw, deep unpolished feel to it. Check the funky jazz monster "Yegele tezeta" with those hard breakbeat drums. Fantastic music of the highest calibre! Reissue of ultra rare original.
Ethiopian jazz recordings from 1969-1972. The music is totally unique & has a raw, deep unpolished feel to it. Check the funky jazz monster "Yegele tezeta" with those hard breakbeat drums. Fantastic music of the highest calibre! Reissue of ultra rare original.
afro reissues
MULATU ASTATKE - MULATU OF ETHIOPIA / SPECIAL EDITION:
Legendary funky jazz album with that Ethio twist. Absolutely fantastic music from start to finish. Check the smokey breakbeat track "Kasalefkut-hulu" or "Kulunmanqueleshi", but otherworldly music all the way. 2xLP white vinyl reissue with the original stereo mix and mono mix from the original tapes.
Legendary funky jazz album with that Ethio twist. Absolutely fantastic music from start to finish. Check the smokey breakbeat track "Kasalefkut-hulu" or "Kulunmanqueleshi", but otherworldly music all the way. 2xLP white vinyl reissue with the original stereo mix and mono mix from the original tapes.
afro reissues
MULATU ASTATKE FEATURING FEKADE AMDE MASKAL
ETHIO JAZZ
HEAVENLY SWEETNESS - France Reissue
LP · M/M · 275 SEK
ETHIO JAZZ
HEAVENLY SWEETNESS - France Reissue
LP · M/M · 275 SEK
NEW IN STOCK
MULATU ASTATKE FEATURING FEKADE AMDE MASKAL - ETHIO JAZZ:
Ethiopian musician Mulatu Astatke did some incredible music in the late 60s and early 70s. This LP is superb from start to end -listen to "Netsanet", "Yekatit" or "Yekermo sew" and see for yourself. 5 star recommendation! Reissue of ultra rare original.
Ethiopian musician Mulatu Astatke did some incredible music in the late 60s and early 70s. This LP is superb from start to end -listen to "Netsanet", "Yekatit" or "Yekermo sew" and see for yourself. 5 star recommendation! Reissue of ultra rare original.
afro reissues
MULLVADSOPERAN - SÅNGER UR MULLVADSOPERAN:
Swedish original, with booklet and printed inner sleeve.
Swedish original, with booklet and printed inner sleeve.
prog & progressive rock
MUNGO'S HI FI FT RANKING JOE / FT CHESHIRE CAT
SNAP A SELFIE / ROLL WI...
DUMBARTON ROCK - UK Original
7 · VG+/EX · 450 SEK
SNAP A SELFIE / ROLL WI...
DUMBARTON ROCK - UK Original
7 · VG+/EX · 450 SEK
IN STOCK
MUNGO'S HI FI FT RANKING JOE / FT CHESHIRE CAT - SNAP A SELFIE / ROLL WITH NO VAMPIRE:
Two cuts on a tough mid 00s recut of Hugh Mundell's "Jacqueline". UK original, limited to 500 hand-numbered copies.
Two cuts on a tough mid 00s recut of Hugh Mundell's "Jacqueline". UK original, limited to 500 hand-numbered copies.
reggae
MUNIR BACHIR - LUTH SOLO OUD RECITAL A GENEVE:
Oud playing from the master of the instrument. Cover has some staining on back. French original.
Oud playing from the master of the instrument. Cover has some staining on back. French original.
psych / folk
MURIEL GROSSMANN - NATURAL TIME:
First vinyl release of her 2016 album (only released on CD before in its entirety) - listen to "Natural Time" and "African Dance".
First vinyl release of her 2016 album (only released on CD before in its entirety) - listen to "Natural Time" and "African Dance".
european jazz
MURIEL GROSSMANN - UNION:
2021 album from Muriel Grossman with the same deep spiritual/modal jazz sound as on her previous releases - listen to "Happiness" and "Union"!
2021 album from Muriel Grossman with the same deep spiritual/modal jazz sound as on her previous releases - listen to "Happiness" and "Union"!
european jazz
MURIEL GROSSMANN - UNIVERSAL CODE:
More spiritual/modal jazz excellence from Muriel Grossman - a safe bet if you like her previous releases, check "Interconnection" and "Non-Duality".
More spiritual/modal jazz excellence from Muriel Grossman - a safe bet if you like her previous releases, check "Interconnection" and "Non-Duality".
european jazz
MURMAIDS - POPSICLES & ICICLES / COMEDY & TRAGEDY:
"Comedy & Tragedy" - fine Kim Fowley penned girl group tune. UK original, intact center.
"Comedy & Tragedy" - fine Kim Fowley penned girl group tune. UK original, intact center.
rock / pop
MUSSORGSKY / KUN WOO PAIK
BILDER EINER AUSSTELLUN...
RCA RED SEAL - Germany Original
BOXLP · EX/VG+ · 100 SEK
BILDER EINER AUSSTELLUN...
RCA RED SEAL - Germany Original
BOXLP · EX/VG+ · 100 SEK
IN STOCK
MUSSORGSKY / KUN WOO PAIK - BILDER EINER AUSSTELLUNG / 15 KLAVIERSTUCKE:
3LP box set with insert.
3LP box set with insert.
classical
MUSTAPHA TETTEY ADDY
MASTER DRUMMER FROM GHANA
TANGENT RECORDS - UK Original
LP · VG+/VG+ · 90 SEK
MASTER DRUMMER FROM GHANA
TANGENT RECORDS - UK Original
LP · VG+/VG+ · 90 SEK
IN STOCK
MUSTAPHA TETTEY ADDY - MASTER DRUMMER FROM GHANA:
Traditional drumming and percussion from Ghana. Listen to "Dagomba Drums". Name sticker on back cover. UK original.
Traditional drumming and percussion from Ghana. Listen to "Dagomba Drums". Name sticker on back cover. UK original.
afro / tropical / world
MUSTAPHA TETTEY ADDY
MASTER DRUMMER FROM GHA...
TANGENT RECORDS - UK Original
LP · VG+/VG+ · 60 SEK
MASTER DRUMMER FROM GHA...
TANGENT RECORDS - UK Original
LP · VG+/VG+ · 60 SEK
IN STOCK
MUSTAPHA TETTEY ADDY - MASTER DRUMMER FROM GHANA - VOLUME TWO:
Traditional drumming and percussion out of Ghana. Cover has a small sticker on back. UK original from 1980.
Traditional drumming and percussion out of Ghana. Cover has a small sticker on back. UK original from 1980.
afro / tropical / world
MUTINY - FUNK PLUS THE ONE:
Clinton-associated album from 1980 full of party funk. Check "Don't bust the groove" or the slower "Anti-disco". Cover has minor wear and creasing. US original with printed inner (a little split)
Clinton-associated album from 1980 full of party funk. Check "Don't bust the groove" or the slower "Anti-disco". Cover has minor wear and creasing. US original with printed inner (a little split)
funk
MUUMIOT - PAJAZZO:
First full-lenght album by Finnish/Italian free jazz sextet - deep and spiritual vibe on "Delirio Magico" and tough, driving sound on "Fretta Fritta"! Limited to 300 numbered copies in fold-out cover, with insert.
First full-lenght album by Finnish/Italian free jazz sextet - deep and spiritual vibe on "Delirio Magico" and tough, driving sound on "Fretta Fritta"! Limited to 300 numbered copies in fold-out cover, with insert.
free jazz & avantgarde
MV & EE - MEET SNAKE PASS AND OTHER HUMAN CONDITIONS:
Folky indie from 2008, listen to "Mine All Troubled Blues". UK original.
Folky indie from 2008, listen to "Mine All Troubled Blues". UK original.
indie / alternative
MWENDO / MWENDO DAWA - HUMAN WALK:
Swedish 80s fusion LP with a touch of funk and electro influences. Check "Can't stop" that could appeal to some leftfield disco people. Swedish only original.
Swedish 80s fusion LP with a touch of funk and electro influences. Check "Can't stop" that could appeal to some leftfield disco people. Swedish only original.
european fusion & funk jazz
MWENDO DAWA - DIMENSIONS:
Mid-80s fusion with electronic touches, check "The Loop". Swedish-only original.
Mid-80s fusion with electronic touches, check "The Loop". Swedish-only original.
european fusion & funk jazz
MX-80 SOUND - HARD ATTACK:
Driving 1977 art punk, listen to "Tidal Wave". Nice copy with little wear. Cover has tiny sticker tear on front filled with black marker. UK original.
Driving 1977 art punk, listen to "Tidal Wave". Nice copy with little wear. Cover has tiny sticker tear on front filled with black marker. UK original.
punk / new wave