69		Sky (Prog Rock, Acoustic, New Age, 1979-2002)
66		Czesław Niemen (Prog Rock, Experimental, Avantgarde, 1966-2001)
63		Rick Wakeman (Prog Rock, New Age, Symphonic Rock, 1973-2016)
62		Jade Warrior (Prog Rock, Psychedelic Rock, Experimental, 1971-2008)
61		Patrick Moraz (Prog Rock, Experimental, Ambient, 1976-2013)
61		L'Ensemble Rayé (Avantgarde, Prog Rock, Experimental, 1989-2005)
60		Devin Townsend (Heavy Metal, Prog Rock, Experimental, 1997-2013)
60		Gooding (Experimental, Acoustic, Ethereal, 1995-2014)
60		Robin Crow (Jazz-Rock, Prog Rock, Gospel, 1981-1999)
59		Catherine Ribeiro + Alpes (Prog Rock, Experimental, Chanson, 1970-1980)
59		Coste Apetrea (Prog Rock, Jazz-Rock, Pop Rock, 1977-2008)
59		Clearlight (Prog Rock, Symphonic Rock, Jazz-Rock, 1975-2014)
59		Thierry Zaboitzeff (Prog Rock, Experimental, Avantgarde, 1984-2013)
58		Rascal Reporters (Prog Rock, Avantgarde, Experimental, 1980-2001)
58		Steve Hackett (Prog Rock, Acoustic, Art Rock, 1975-2015)
58		Present (Prog Rock, Avantgarde, Art Rock, 1980-2009)
57		Claudio Rocchi (Prog Rock, Folk Rock, Avantgarde, 1970-2012)
57		Kandahar (Jazz-Rock, Prog Rock, New Age, 1974-2011)
57		Totte Wallin (Prog Rock, Ambient, Synth-pop, 1973-1988)
57		Bo Hansson (Prog Rock, Experimental, Space Rock, 1970-1985)
57		Beppe Maniglia (Experimental, Prog Rock, Synth-pop, 1982-1986)
57		Djam Karet (Prog Rock, Avantgarde, Experimental, 1985-2014)
57		Adrian Belew (Prog Rock, Avantgarde, Experimental, 1982-2015)
56		Lars Hollmer (Prog Rock, Avantgarde, Folk Rock, 1981-2007)
56		Woo (Experimental, Ambient, Acoustic, 1982-2013)
56		Area (Prog Rock, Avantgarde, Jazz-Rock, 1973-2012)
56		Gordon Giltrap (Prog Rock, Folk Rock, Folk, 1968-2013)
56		Goblin (Prog Rock, Soundtrack, Synth-pop, 1975-2015)
56		Barry Cleveland (Prog Rock, Experimental, Downtempo, 1986-2010)
56		Cynic (Prog Rock, Heavy Metal, Death Metal, 1993-2014)
55		Ruins (Prog Rock, Experimental, Avantgarde, 1987-2002)
55		Jukka Gustavson (Prog Rock, Fusion, Jazz-Rock, 1978-2014)
55		Tom Newman (Art Rock, Prog Rock, Avantgarde, 1975-2014)
55		Jean Pascal Boffo (Prog Rock, Folk, Fusion, 1986-2016)
55		Nic Potter (New Age, Prog Rock, Ambient, 1981-2008)
55		Anthony Phillips (Prog Rock, Folk Rock, Ambient, 1977-2012)
55		Supersister (Prog Rock, Jazz-Rock, Experimental, 1970-2001)
54		Peter Hammill (Prog Rock, Art Rock, Experimental, 1971-2014)
54		Nigel Mazlyn Jones (Prog Rock, Art Rock, Alternative Rock, 1979-2014)
54		Kevin Gilbert (Pop Rock, Prog Rock, Synth-pop, 1984-2014)
54		Zazen (New Age, Prog Rock, Ambient, 1989-2003)
53		The Mars Volta (Prog Rock, Psychedelic Rock, Experimental, 2002-2012)
53		Paul Sutin (New Age, Prog Rock, 1985-1995)
53		John Greaves (Art Rock, Contemporary Jazz, Experimental, 1977-2015)
53		Albert Marcœur (Avantgarde, Prog Rock, Art Rock, 1974-2008)
53		Eroc (Ambient, Krautrock, Experimental, 1975-1999)
53		Lard Free (Avantgarde, Prog Rock, Experimental, 1973-1997)
53		Cardiacs (Prog Rock, Art Rock, Alternative Rock, 1981-2007)
53		ProjeKct Two (Experimental, Art Rock, Prog Rock, 1998-2010)
52		Nazca (Prog Rock, Leftfield, Modern Classical, 1984-2001)
52		Daevid Allen (Psychedelic Rock, Experimental, Prog Rock, 1970-2014)
52		Sub Level 03 (Prog Rock, Trance, New Age, 2002-2014)
52		King Crimson (Prog Rock, Art Rock, Experimental, 1969-2016)
52		Kayo Dot (Avantgarde, Prog Rock, Experimental, 2003-2016)
52		La STPO (Experimental, Prog Rock, Avantgarde, 1994-2015)
52		Anderson Bruford Wakeman Howe (Prog Rock, Art Rock, Experimental, 1989-2010)
51		Urban Sax (Avantgarde, Prog Rock, Contemporary Jazz, 1977-2016)
51		17 Pygmies (Experimental, Symphonic Rock, Prog Rock, 1984-2015)
51		Steven Wilson (Prog Rock, Alternative Rock, Art Rock, 2003-2016)
51		Alpha III (Prog Rock, New Age, Space Rock, 1984-1995)
51		Eider Stellaire (Prog Rock, Avantgarde, Experimental, 1981-1987)
51		Steve Hogarth (Classic Rock, Prog Rock, Experimental, 1997-2014)
51		Kaipa (Prog Rock, Symphonic Rock, Alternative Rock, 1974-2014)
51		Mike Keneally (Avantgarde, Prog Rock, Experimental, 1992-2016)
51		Steve Hillage (Psychedelic Rock, Prog Rock, Ambient, 1975-2015)
51		BirdPen (Prog Rock, Alternative Rock, Experimental, 2002-2016)

Notes: Music similar to Riccardo Zappa, Music like Riccardo Zappa, Rock, Electronic, Pop, Jazz, Funk, Soul, Classical, Stage, Screen, Folk, World, , Country, Prog Rock, Ethereal, Acoustic, New Age, Experimental, Ambient, Contemporary Jazz, Pop Rock, Downtempo, Funk, Soul-Jazz, Soft Rock, Ballad, Soundtrack, Vocal, Artists, Bands, Songs, Audio, Records, Albums, Singles, Releases, Music Similarities