Answer: lalala

AnswerCrossword Clue
LALALARefrain syllables
LALALA"I'm not listening to you!"
LALALA[I can't remember the words to this song]
LALALA"I can't he-e-ear you ...!"
LALALARepeated part of "Deck the Halls"
LALALA"I'm not listening ..."
LALALALine forgetter's substitute
LALALA[I'm not listening ... I can't he-e-ear you!]
LALALA"I can't he-e-ear you!"
LALALASyllables sung when you forget the lyrics
LALALASinging syllables
LALALALead-in to 'I can't hear you!'
LALALA"Deck the Halls" syllables
LALALAAll-purpose lyrics
LALALA"I'm ignoring you!"
LALALA"I don't remember the words ..."
LALALAChorus syllables, perhaps
LALALARefrain section
LALALACarol snippet
LALALASyllables said with fingers in one's ears
LALALA[I don't know the words to this part]
LALALAFingers-in-ears sounds
LALALASyllables delivered with fingers in the ears
LALALAFingers-in-one's-ears syllables
LALALA"IcanthearyouIcanthearyouIcanthearyou"
LALALAMonotonous lyrics?
LALALACarol sequence
LALALA"Deck the Halls" ending
LALALA"Deck the Halls" sequence
LALALA"I don't remember the words..."
LALALARefrain sequence
LALALABobby Sherman song alternatively titled "If I Had You"
LALALA"I can't HEAR you!"
LALALASyllables sometimes said with one's fingers in one's ears
LALALARefrain part
LALALA[I don't remember the words]
LALALASung syllables
LALALALyric-forgetter's phrase
LALALA"Sorry, can't hear you"
LALALALyric forgetter's phrase