Conversation so far:
What was Gloria Estefan up to in the mid 1970s?
In 1975, Gloria Estefan and her cousin Mercedes impressed the Miami Latin Boys and they were invited to join the band permanently with the band's name changing to Miami Sound Machine.
Were the Miami Sound Machine successful in the 1970s?
Miami Sound Machine released the album Primitive Love in 1985 launching three Top 10 hits on the Billboard Hot 100

Question: What was their biggest hit?
Self-contained rewrite: What was Miami Sound Machine's biggest hit?