Question: Who sings the song she's come undone?
Answer: The Guess Who
Disambiguated annotations:
qaPairs: question: Who is the band that sings the song lyrics she's come undone, released in 1969?
answer: The Guess Who
question: Who sings the vocals of the song lyrics she's come undone, released in 1969?
answer: Cummings
Burton Cummings