Question: Who sang the song the day the music died?
Disambiguated questions and answers: question: Who sang lead on the original song featuring lyrics the day the music died?
Which group sand backup on the original song featuring lyrics the day the music died?
answer: Donald McLean III
Don McLean
West Forty Fourth Street Rhythm and Noise Choir
Natural Questions answer: Don McLean (from the Wikipedia article "The Day the Music Died")