Date within 1979 not established
- 1979 (approximate)EmpireReleaseJakob Magnússon, Special Treatment (Warner Bros. BSK 3324, US), with Banks among the players
- 1979 (summer) (approximate)EmpireEventEmpire spend about six months rehearsing and showcasing at Mars Studios, Los Angeles. The tapes made there are later issued as The Mars Tapes. Line-up: Banks, Foxx, Mark Murdock, Brad Stephenson, Paul Delph
- 1979 (approximate)EmpireRecordingEmpire record an album in two days at a studio in Redondo Beach, California, with Banks, Sidonie Jordan and the band, per Jordan's own account (exact date not given; broadly 1979–80)