Date within 2004 not established
- 2004 (late) (approximate)Harmony in DiversityEventHarmony in Diversity formed: an improvising trio of Banks, Nick Cottam (bass) and Andrew Booker (drums), around 2004–05.
September 2004
- 28 September 2004Harmony in DiversityRecordingSession that produces most of the material on Try Again and Trying's Sods at Odds, recorded on minidisc
October 2004
- October 2004 (approximate)Peter BanksGigBanks guests with Pulse Engine (the first trio gig; live recordings made)