84		Serú Girán (Prog Rock, Symphonic Rock, Jazz-Rock, 1978-1995)
73		Roy Harper (Folk Rock, Acoustic, Prog Rock, 1966-2013)
69		Ange (Prog Rock, Symphonic Rock, Folk Rock, 1970-2015)
66		Solstice (Prog Rock, Folk Rock, Acoustic, 1982-2013)
66		Clearlight (Prog Rock, Symphonic Rock, Jazz-Rock, 1975-2014)
65		Isildurs Bane (Prog Rock, Symphonic Rock, Art Rock, 1984-2005)
64		Minimum Vital (Prog Rock, Symphonic Rock, Fusion, 1985-2008)
64		Nito Mestre (Acoustic, Pop Rock, Folk Rock, 1980-2009)
64		Kayak (Prog Rock, Symphonic Rock, Pop Rock, 1973-2014)
63		Rick Miller (Prog Rock, Symphonic Rock, Art Rock, 1983-2014)
63		The Enid (Symphonic Rock, Prog Rock, Experimental, 1976-2016)
63		The Blue Effect (Prog Rock, Art Rock, Jazz-Rock, 1969-1987)
63		Gerard (Prog Rock, Symphonic Rock, 1984-2012)
63		Sui Generis (Folk Rock, Symphonic Rock, Prog Rock, 1973-2000)
63		Apocalypse (Prog Rock, Symphonic Rock, Art Rock, 1991-2011)
63		Cast (Prog Rock, Symphonic Rock, Art Rock, 1994-2014)
63		Renaissance (Prog Rock, Symphonic Rock, Art Rock, 1969-2015)
63		Barclay James Harvest (Prog Rock, Symphonic Rock, Pop Rock, 1968-2012)
62		Galleon (Prog Rock, Symphonic Rock, 1992-2007)
62		Anders Helmerson (Prog Rock, Symphonic Rock, Jazz-Rock, 1982-2010)
62		Paul Roland (Folk Rock, Acoustic, Indie Rock, 1983-2015)
62		Christian Decamps & Fils (Folk Rock, Symphonic Rock, Prog Rock, 1979-2004)
62		Ekseption (Symphonic Rock, Prog Rock, Classic Rock, 1967-2003)
62		Ian Anderson (Prog Rock, Folk Rock, Classic Rock, 1983-2014)
62		Teru's Symphonia (Prog Rock, Symphonic Rock, 1985-2009)
62		Matthew Ryan (Acoustic, Symphonic Rock, 1997-2015)
62		Jukka Tolonen (Prog Rock, Jazz-Rock, Fusion, 1971-2011)
61		Smak (Prog Rock, Blues Rock, Folk Rock, 1974-2012)
61		Wallace Collection (Prog Rock, Symphonic Rock, Pop Rock, 1969-1993)
61		Kaipa (Prog Rock, Symphonic Rock, Alternative Rock, 1974-2014)
61		Mona Lisa (Prog Rock, Symphonic Rock, Psychedelic Rock, 1974-2000)
61		Fish (Prog Rock, Symphonic Rock, Pop Rock, 1989-2013)
61		Gordon Giltrap (Prog Rock, Folk Rock, Folk, 1968-2013)
61		Mystery (Prog Rock, Symphonic Rock, Hard Rock, 1992-2015)
61		Harmonium (Prog Rock, Symphonic Rock, Folk Rock, 1974-1980)
61		Hoelderlin (Prog Rock, Jazz-Rock, Krautrock, 1972-2007)
60		Asturias (Prog Rock, Symphonic Rock, Jazz-Rock, 1988-2008)
60		Haikara (Prog Rock, Folk Rock, Acoustic, 1972-2001)
60		Arco Iris (Prog Rock, Folk Rock, Psychedelic Rock, 1970-2012)
60		Steve Howe (Prog Rock, Acoustic, Art Rock, 1975-2013)
60		After Crying (Prog Rock, Symphonic Rock, Art Rock, 1990-2013)
59		Manning (Prog Rock, Acoustic, Folk Rock, 1999-2013)
59		17 Pygmies (Experimental, Symphonic Rock, Prog Rock, 1984-2015)
59		Zauber (Prog Rock, Folk Rock, Symphonic Rock, 1978-2006)
59		Cliffhanger (Prog Rock, Symphonic Rock, 1993-1998)
59		Jan Dukes De Grey (Acoustic, Psychedelic Rock, Prog Rock, 1969-2011)
59		Annie Haslam (Pop Rock, Prog Rock, Acoustic, 1977-2006)
59		Naoki Zushi (Acoustic, Prog Rock, Psychedelic Rock, 1988-2005)
59		Jean-Pierre Alarcen (Prog Rock, Jazz-Rock, Symphonic Rock, 1978-1998)
59		Natural Acoustic Band (Folk Rock, Acoustic, Pop Rock, 1972-2003)
59		Pär Lindh Project (Prog Rock, Symphonic Rock, Modern Classical, 1995-2011)
59		Ankh (Prog Rock, Symphonic Rock, Hard Rock, 1994-2005)
59		Strawbs (Prog Rock, Folk Rock, Pop Rock, 1968-2014)
59		Sky (Prog Rock, Acoustic, New Age, 1979-2002)
59		Opeth (Prog Rock, Death Metal, Acoustic, 1995-2016)
59		Saviour Machine (Goth Rock, Prog Rock, Symphonic Rock, 1990-2003)
58		Electric Light Orchestra Part II (Symphonic Rock, Pop Rock, Prog Rock, 1991-1996)
58		Anthony Phillips (Prog Rock, Folk Rock, Ambient, 1977-2012)
58		Landmarq (Prog Rock, Symphonic Rock, Hard Rock, 1992-2012)
58		Nathan Mahl (Prog Rock, Jazz-Rock, Symphonic Rock, 1983-2014)
58		Midas (Symphonic Rock, Prog Rock, 1988-2009)
58		Monica Törnell (Folk Rock, Prog Rock, Jazz-Rock, 1972-1992)
58		Happy The Man (Prog Rock, Jazz-Rock, Art Rock, 1977-2004)
58		Symphony X (Heavy Metal, Prog Rock, Symphonic Rock, 1994-2015)
58		Finch (Prog Rock, Symphonic Rock, 1975-2012)
58		Sagrado Coração Da Terra (Symphonic Rock, Prog Rock, 1985-2000)
58		Fireballet (Prog Rock, Space Rock, Avantgarde, 1975-2008)
58		Compagnia Dell'Anello (Prog Rock, Alternative Rock, Acoustic, 1978-2010)
57		Companyia Elèctrica Dharma (Folk Rock, Jazz-Rock, Prog Rock, 1975-2010)
57		Moongarden (Prog Rock, Symphonic Rock, Art Rock, 1994-2014)
57		Focus (Prog Rock, Symphonic Rock, Classic Rock, 1970-2016)
57		Albion (Prog Rock, Symphonic Rock, 1994-2015)
57		Outer Limits (Prog Rock, Symphonic Rock, 1985-2007)
57		Ache (Prog Rock, Symphonic Rock, Psychedelic Rock, 1970-2004)
57		Locanda Delle Fate (Prog Rock, Symphonic Rock, 1977-2012)
57		Taurus (Prog Rock, Symphonic Rock, 1980-2009)
57		Irrwisch (Prog Rock, Symphonic Rock, Krautrock, 1978-2007)
57		Green Carnation (Prog Rock, Doom Metal, Acoustic, 1991-2006)
57		Francis Decamps (Prog Rock, Symphonic Rock, Art Rock, 1979-1997)
57		Latte E Miele (Prog Rock, Symphonic Rock, Pop Rock, 1973-2009)
57		Ayreon (Prog Rock, Heavy Metal, Symphonic Rock, 1995-2013)
57		Jadis (Prog Rock, Symphonic Rock, Hard Rock, 1984-2012)
57		Exodus (Symphonic Rock, Prog Rock, Art Rock, 1978-1985)
57		Marsyas (Folk Rock, Acoustic, Prog Rock, 1978-2012)
57		Steve Hackett (Prog Rock, Acoustic, Art Rock, 1975-2015)
57		Samla Mammas Manna (Prog Rock, Experimental, Symphonic Rock, 1971-2013)
56		Amarok (Prog Rock, Folk Rock, Art Rock, 1994-2015)
56		Citizen Cain (Prog Rock, Symphonic Rock, 1993-2012)
56		Ron Sexsmith (Folk Rock, Acoustic, Alternative Rock, 1991-2015)
56		Triana (Prog Rock, Flamenco, Psychedelic Rock, 1974-2007)
56		Stackridge (Prog Rock, Folk Rock, Art Rock, 1971-2011)
56		Finisterre (Prog Rock, Symphonic Rock, 1995-2015)
56		Traste Lindéns Kvintett (Folk Rock, Pop Rock, Prog Rock, 1987-1995)
56		Keith Emerson (Prog Rock, Symphonic Rock, Ragtime, 1972-2014)
56		Tasavallan Presidentti (Prog Rock, Jazz-Rock, Folk Rock, 1969-2016)
56		Mostly Autumn (Prog Rock, Folk Rock, Symphonic Rock, 1998-2015)
56		Gong (Psychedelic Rock, Prog Rock, Space Rock, 1969-2014)
56		Iluvatar (Prog Rock, Symphonic Rock, 1993-2014)
56		Jean Pascal Boffo (Prog Rock, Folk, Fusion, 1986-2016)
56		Paul Brett (Folk Rock, Prog Rock, Country Rock, 1973-2000)
55		Kebnekajse (Folk Rock, Prog Rock, Psychedelic Rock, 1971-2012)
55		Solaris (Prog Rock, Symphonic Rock, Art Rock, 1981-2014)
55		Electric Light Orchestra (Pop Rock, Symphonic Rock, Prog Rock, 1971-2016)
55		Colin Masson (Prog Rock, Symphonic Rock, Folk Rock, 1999-2011)
55		Egdon Heath (Prog Rock, Symphonic Rock, 1986-1996)
55		Discipline. (Prog Rock, Symphonic Rock, Art Rock, 1993-2014)
55		Iona (Prog Rock, Folk Rock, Celtic, 1990-2013)
55		KBB (Prog Rock, Jazz-Rock, Symphonic Rock, 2000-2005)
55		Hostsonaten (Prog Rock, Art Rock, Symphonic Rock, 1997-2016)
55		Kenso (Prog Rock, Fusion, Jazz-Rock, 1981-2014)
55		Amazing Blondel (Folk Rock, Acoustic, Folk, 1970-2010)
55		Shalom Hanoch (Classic Rock, Acoustic, Blues Rock, 1971-2015)
55		Erik Norlander (Prog Rock, Symphonic Rock, Hard Rock, 1997-2016)
55		Claudio Chieffo (Acoustic, Chanson, Prog Rock, 1977-1987)
55		Richard Buckner (Folk Rock, Acoustic, Indie Rock, 1994-2013)
55		Sithonia (Prog Rock, Symphonic Rock, 1992-2011)
55		Ritual (Prog Rock, Black Metal, Symphonic Rock, 1995-2006)
55		Ragnarök (Prog Rock, Folk Rock, Fusion, 1976-2012)
55		Wara (Prog Rock, Psychedelic Rock, Folk Rock, 1973-1997)
55		Roine Stolt (Prog Rock, Pop Rock, Symphonic Rock, 1979-2005)
55		Arti & Mestieri (Prog Rock, Jazz-Rock, 1974-2015)
55		Frágil (Prog Rock, Folk Rock, Pop Rock, 1981-2002)
55		SFF (Krautrock, Prog Rock, Art Rock, 1976-2002)
55		Savage Rose (Prog Rock, Psychedelic Rock, Folk Rock, 1968-2014)
54		Mark Eitzel (Acoustic, Alternative Rock, Folk Rock, 1991-2013)
54		Coda (Prog Rock, Symphonic Rock, 1986-1996)
54		Skaldowie (Pop Rock, Prog Rock, Folk Rock, 1966-2013)
54		David Gray (Acoustic, Folk Rock, Pop Rock, 1992-2015)
54		Kari Peitsamo (Folk Rock, Acoustic, Rock & Roll, 1979-2016)
54		Niels Skousen (Folk Rock, Prog Rock, Pop Rock, 1973-2012)
54		Frank Robson (Jazz-Rock, Prog Rock, Vocal, 1967-1987)
54		Steve Walsh (Prog Rock, Symphonic Rock, Classic Rock, 1980-2005)
54		André Andersen (Hard Rock, Prog Rock, Symphonic Rock, 1998-2006)
54		Vega (Prog Rock, Jazz-Rock, Folk Rock, 1978-1981)
54		La Coral Cósmica (Folk Rock, Prog Rock, Symphonic Rock, 1979-1981)
54		Danny Michel (Pop Rock, Folk Rock, Acoustic, 1996-2016)
54		O Têrço (Prog Rock, Folk Rock, MPB, 1971-2015)
54		Maneige (Prog Rock, Jazz-Rock, Fusion, 1975-2006)
54		Karnataka (Prog Rock, Folk Rock, Symphonic Rock, 1998-2015)
54		Jeff Wayne (Prog Rock, Symphonic Rock, Ambient, 1973-2014)
54		Area (Prog Rock, Avantgarde, Jazz-Rock, 1973-2012)
54		Delirium (Prog Rock, Symphonic Rock, Pop Rock, 1971-2015)
54		Aton's (Prog Rock, Symphonic Rock, 1989-1996)
54		The Nice (Prog Rock, Art Rock, Symphonic Rock, 1967-2001)
54		Jethro Tull (Prog Rock, Classic Rock, Folk Rock, 1968-2013)
54		Dixie Dregs (Prog Rock, Fusion, Southern Rock, 1975-2000)
54		Nic Potter (New Age, Prog Rock, Ambient, 1981-2008)
54		Jon Lord (Contemporary, Symphonic Rock, Prog Rock, 1974-2011)
54		California Guitar Trio (Acoustic, Art Rock, Prog Rock, 1991-2012)
54		Little Tragedies (Prog Rock, Symphonic Rock, 2000-2014)
54		IF (Prog Rock, Jazz-Rock, Pop Rock, 1970-2016)
54		Izukaitz (Acoustic, Folk, Folk Rock, 1978-1980)
53		John Fahey (Acoustic, Folk Rock, Folk, 1964-2005)
53		Kotebel (Prog Rock, Symphonic Rock, Fusion, 1999-2016)
53		Soft Machine (Jazz-Rock, Prog Rock, Psychedelic Rock, 1967-2015)
53		Phil Miller (Jazz-Rock, Prog Rock, Contemporary Jazz, 1987-2011)
53		Terraced Garden (Prog Rock, Symphonic Rock, 1982-1988)
53		Maja De Rado & Porodična Manufaktura Crnog Hleba (Folk Rock, Acoustic, Prog Rock, 1973-1974)
53		Supersister (Prog Rock, Jazz-Rock, Experimental, 1970-2001)
53		Glass Hammer (Prog Rock, Symphonic Rock, Modern Classical, 1993-2015)
53		For Absent Friends (Prog Rock, Acoustic, Art Rock, 1990-2006)
53		Lars Hollmer (Prog Rock, Avantgarde, Folk Rock, 1981-2007)
53		Calvin Russell (Blues Rock, Folk Rock, Acoustic, 1990-2011)
53		Tribute (Space Rock, Symphonic Rock, Jazz-Rock, 1984-1991)
53		Richard Sinclair's Caravan Of Dreams (Art Rock, Prog Rock, Folk Rock, 1991-1993)
53		Tempest (Folk Rock, Prog Rock, Celtic, 1992-2015)
53		Kormorán (Folk Rock, Prog Rock, Folk, 1978-2012)
53		Andy Summers (Jazz-Rock, Acoustic, Instrumental, 1982-2015)
53		Patrick Forgas (Prog Rock, Fusion, Jazz-Rock, 1977-2002)
53		Jorge Cumbo (Folk Rock, Acoustic, Prog Rock, 1977-1984)
53		Riccardo Zappa (Prog Rock, Ethereal, Acoustic, 1978-2002)
53		Steve Tibbetts (Prog Rock, Folk Rock, Fusion, 1977-2010)
53		Tantra (Prog Rock, Symphonic Rock, Psychedelic Rock, 1976-2005)
53		Luciano Basso (Prog Rock, Symphonic Rock, Modern, 1976-2007)
53		Gryphon (Prog Rock, Folk Rock, 1973-2003)
53		Magma (Prog Rock, Jazz-Rock, Fusion, 1970-2015)
52		Frank Zappa (Avantgarde, Prog Rock, Jazz-Rock, 1968-2016)
52		STS (Acoustic, Pop Rock, Folk Rock, 1979-2006)
52		Jonas Hellborg (Jazz-Rock, Acoustic, Fusion, 1981-2014)
52		Czesław Niemen (Prog Rock, Experimental, Avantgarde, 1966-2001)
52		Anacrusa (Prog Rock, Folk Rock, 1973-2005)
52		Peter Bardens (Ambient, Prog Rock, Folk Rock, 1970-2002)
52		David Jackson (Jazz-Rock, Prog Rock, Avantgarde, 1974-2012)
52		Dice (Prog Rock, Krautrock, Jazz-Rock, 1979-2011)
52		The Syn (Prog Rock, Symphonic Rock, Acoustic, 2005-2016)
52		Carptree (Prog Rock, Symphonic Rock, 2001-2016)
52		Rocket Scientists (Prog Rock, Symphonic Rock, 1995-2014)
52		Michael Hedges (Acoustic, Folk Rock, Neofolk, 1981-1999)
52		Denison Witmer (Acoustic, Folk Rock, Indie Rock, 1995-2013)
52		Celelalte Cuvinte (Prog Rock, Heavy Metal, Folk Rock, 1987-2014)
52		Il Castello Di Atlante (Prog Rock, Symphonic Rock, 1983-2016)
52		Kristin Hersh (Alternative Rock, Indie Rock, Acoustic, 1994-2010)
52		Mugen (Symphonic Rock, Prog Rock, 1984-1988)
52		Claudio Rocchi (Prog Rock, Folk Rock, Avantgarde, 1970-2012)
52		Andrew Peterson (Acoustic, Folk Rock, Soft Rock, 2000-2015)
52		Osiris (Prog Rock, Art Rock, Symphonic Rock, 1984-2010)
52		Caedmon's Call (Acoustic, Folk Rock, Alternative Rock, 1995-2010)
52		String Driven Thing (Prog Rock, Folk Rock, Pop Rock, 1971-2009)
52		Pekka Pohjola (Prog Rock, Fusion, Jazz-Rock, 1972-2001)
52		XII Alfonso (Prog Rock, Symphonic Rock, Folk Rock, 1999-2012)
52		Mark Kozelek (Acoustic, Indie Rock, Folk Rock, 2000-2016)
52		Mother Gong (Prog Rock, Psychedelic Rock, Free Improvisation, 1979-2007)
52		Julie Doiron (Acoustic, Folk Rock, Alternative Rock, 1997-2012)
52		Coste Apetrea (Prog Rock, Jazz-Rock, Pop Rock, 1977-2008)
52		Mike Peters (Alternative Rock, Acoustic, Folk Rock, 1994-2009)
52		Piirpauke (Jazz-Rock, Prog Rock, Contemporary Jazz, 1975-2012)
52		East Of Eden (Prog Rock, Psychedelic Rock, Art Rock, 1968-2005)
52		Stuart Hamm (Jazz-Rock, Fusion, Prog Rock, 1988-2015)
52		Jukka Gustavson (Prog Rock, Fusion, Jazz-Rock, 1978-2014)
52		Lana Lane (Prog Rock, Symphonic Rock, Hard Rock, 1995-2012)
52		Out Of Focus (Krautrock, Prog Rock, Jazz-Rock, 1970-2007)
52		Colosseum (Prog Rock, Blues Rock, Jazz-Rock, 1969-2014)

Notes: Music similar to Harry Williamson, Music like Harry Williamson, Rock, Jazz, Folk, World, , Country, Acoustic, Symphonic Rock, Prog Rock, Folk Rock, Jazz-Rock, Folk, Artists, Bands, Songs, Audio, Records, Albums, Singles, Releases, Music Similarities