Conversation so far:
Who was in the group Bananarama?
CANNOTANSWER.
In what year was the band founded?
Bananarama experienced their greatest success during the period 1982 to 1989.
What were their top 10 hits?
Deep Sea Skiving (UK #7, US #63) (1983) contained several hit singles -- "Really Saying Something" (UK #5) and "Shy Boy" (UK #4) -- and.

Question: Who eventually signed them?
Self-contained rewrite: Who eventually signed Bananarama?