Here are the possible solutions for rock band whose only 1 hit was 1979's babe clue
Answer
Clue
Relevancy
styx
Clue
Rock band whose only #1 hit was 1979's "Babe"
Band that had a #1 hit in 1979 with "Babe"
Band with the 1979 hit "Babe"
Group with the 1979 #1 hit "Babe"
abba
Clue
Swedish band whose only #1 hit in the US was the 1976 song "Dancing Queen"
Definition
a Syrian cloth of goat's or camel's hair; an outer garment made of it, also ABA, ABAYA
devo
Clue
Band whose only hit was "Whip It"
Definition
(short for) devolution, as in devo max, an arrangement in which a central government transfers the maximum amount of authority to a regional government while still retaining sovereignty over it
