Any 'Stayin' Alive' singer, 6 letters
Any of the singers of Jive Talkin', 6 letters
Any of the Stayin' Alive singers, 6 letters
Barry Gibb, for one, 6 letters
Barry or Robin Gibb, 6 letters
Barry, Robin or Maurice, 6 letters
Member of a '60s trio, and theme of this puzzle, 6 letters
Member of a fraternal singing group, 6 letters
One of a band of brothers, 6 letters
Stayin' Alive is suddenly unhip, on the piano?, 13 letters
How Deep Is Your Love? group, 7 letters
I Started a Joke singers, 7 letters
Jive Talkin' group, and a hint to this puzzle's theme, 7 letters
New York Mining Disaster 1941 was their first U.S. hit in 1967, 7 letters
Saturday Night Fever group, 7 letters
Saturday Night Fever group (with The), 7 letters
Saturday Night Fever soundtrack singers, 7 letters
Saturday Night Fever trio, 7 letters
Their light, sweet vocals defined the 1970s, 7 letters