I'm willing to bet that nobody here knows 90% of these....

Partridge Family.
ABBA
Aha
Bevery Sisters (just got knighted by the queen)
Bolero
Tony Hatch - Outa This World
Billy Preston - Outa Space
The Bangles
Blade Runner
Bugaloos
Chilliwack
City Boy
FM
Gary Numan
Jean Luc Ponty
Klaatu
Level 42
Nylons
Rough Trade
Spoons
Styx
Thomas Dolby
Tears for Fears
T Rex
UB40
Sweet
Tubes
U.K>
Wang Chung
XTC
Yello
Uzeb
Harlequin
Grace Jones