Styx: Tommy Shaw (vocals, guitar, background vocals); James Young (vocals, guitar, background vocals); Chuck Panozzo (bass, background vocals); Lawrence Gowan(vocals, keyboards, synthesizer); Ricky Phillips (bass, background vocals); Todd Sucherman(drums, percussion, background vocals).
Note: Regeneration 1 is the first in a series of Styx's re-recording of selected classic songs.
This release was available only through the Styx Lounge and at concert venues.