Conversation so far:
What is Two Hearts?
Four tracks were released as singles, "Everything I Need" (May 1985), "Man with Two Hearts", "Maria" (August), and "Hard Luck Story" (October); only the lead single charted in Australia .
Which single hit the charts?
CANNOTANSWER.

Question: When did the band break up?
Self-contained rewrite: When did the band break up?