Answer: mmmbop

AnswerCrossword Clue
MMMBOPHanson hit
MMMBOP1997 Hanson song
MMMBOP1997 Hanson hit
MMMBOPHanson's first hit
MMMBOPBest single of 1997, in the Village Voice critics' poll
MMMBOP1997 Hanson chart-topper
MMMBOPNo. 1 hit from the 1997 album "Middle of Nowhere"