Scene One: Regression · Dream Theater Metropolis, Pt. 2: Scenes from a Memory ℗ 1999 Elektra Entertainment Group Inc. for the United States and WEA International Inc. for the world outside of the United States. Unknown: BRIAN Quackenbush Unknown: David Bottrill Spoken Voice Vocals: David Bottrill Engineer: Doug Oberkircher Assistant Mastering Engineer: Eugene Nastasi Unknown: George Marino Lead Vocals: James LaBrie Bass Guitar: John Myung Guitar: John Petrucci Producer: John Petrucci Backing Vocals: John Petrucci Keyboards: Jordan Rudess Unknown: Michael Bates Drums, Percussion: Mike Portnoy Producer: Mike Portnoy Backing Vocals: Mike Portnoy Assistant Mixing Engineer: Shinobu Mitsuoka Audio Recording Engineer: Terry Brown Vocal Co- Production: Terry Brown Spoken Voice Vocals: Terry Brown Writer: John Petrucci