An answer song is a song that refers directly or indirectly to another song, or is meant as a reply to another song: these are not songs which simply refer to other artists or to songs in general, or include samples or riffs from other songs. The lyrics refer directly to another particular song. Songs in alphabetical order.
Songs that refer to themselves should be listed at List of self referential songs
Hot 100 Answer Songs
"We'll dance off both our shoes,
Daddy's home - to stay
Just like that AC/DC song
"Played them all the old songs, thought that's why they came
"I told you about strawberry fields
"'Cause now it's Judy's turn to cry, Judy's turn to cry, Judy's turn to cry-y-y-y-y-y, 'cause Johnny's come back (Johnny's come back, come back) to me."
"Johnny was a school boy when he heard his first Beatles song. 'Love Me Do', I think it was and from there it didn't take him long. Got himself a guitar, used to play every night. Now he's in a rock & roll outfit, and everything's all right."
All summer long we were grooving in the sand
"Does anybody here remember Vera Lynn? Remember how she said that we would meet again some sunny day. Vera! Vera! what has become of you? Does anybody else in here feel the way I do?
"I told you ’bout the seether before
Country Answer Songs