0
Liquid Tension Experiment
Liquid Tension Experiment
American band
1
Jordan Rudess
Jordan Rudess
American keyboardist
2
Dream Theater
Dream Theater
American progressive metal band
3
Mike Portnoy
Mike Portnoy
American drummer
4
Derek Sherinian
Derek Sherinian
American keyboardist
5
Neal Morse
Neal Morse
American multi-instrumentalist and progressive rock composer
6
Steve Morse
Steve Morse
American guitarist and composer
7
Joe Satriani
Joe Satriani
American musician
8
John Myung
John Myung
American bassist
9
Dave LaRue
Dave LaRue
American musician
10
Gus G
Gus G
Greek guitarist
11
Marco Sfogli
Marco Sfogli
Italian musician
12
Kevin Moore
Kevin Moore
American keyboardist and composer
13
Richie Kotzen
Richie Kotzen
American guitarist, singer, and songwriter
14
Charlie Dominici
Charlie Dominici
American musician
15
Paul Gilbert
Paul Gilbert
American musician
16
Mike Mangini
Mike Mangini
American drummer
17
Sons of Apollo
Sons of Apollo
American band
18
Allan Holdsworth
Allan Holdsworth
English guitarist and composer
19
Alex Lifeson
Alex Lifeson
Canadian musician
20
Jeff Loomis
Jeff Loomis
American musician
21
Andreas Kisser
Andreas Kisser
Brazilian musician
22
Symphony X
Symphony X
American progressive metal band
23
James LaBrie
James LaBrie
Canadian vocalist
24
Tony Levin
Tony Levin
American musician
25
Transatlantic
Transatlantic
Progressive rock supergroup
26
James Hetfield
James Hetfield
American guitarist and singer
27
Mark Morton
Mark Morton
American musician
28
Haken
Haken
British band
29
Eric Johnson
Eric Johnson
American guitarist, recording artist
30
Guthrie Govan
Guthrie Govan
British musician
31
Marco Minnemann
Marco Minnemann
German drummer
32
OSI
OSI
American progressive rock band
33
Fredrik Åkesson
Fredrik Åkesson
Swedish guitarist
Member of, past and present

John Peter Petrucci (born July 12, 1967) is an American guitarist, composer and producer. He is best known as a founding member of the progressive metal band Dream Theater. He produced or co-produced (often with former member Mike Portnoy before he departed the band in 2010) all of Dream Theater's albums from Metropolis Pt. 2: Scenes from a Memory (1999) to Distance Over Time (2019), and has been the sole producer of the band's albums released since A Dramatic Turn of Events (2011). Petrucci has also released two solo albums: Suspended Animation (2005) and Terminal Velocity (2020).