Question: Who sings the song she's come undone?
Disambiguated questions and answers: question: Who is the band that sings the song lyrics she's come undone, released in 1969?
Who sings the vocals of the song lyrics she's come undone, released in 1969?
answer: The Guess Who
Cummings
Burton Cummings
Natural Questions answer: The Guess Who (from the Wikipedia article "Undun (song)")