Wrong song. That was “I gave my love a cherry...”
Oh, now!!! You are right. Nevermind.
Here’s the real name of the song,
https://en.wikipedia.org/wiki/The_Riddle_Song
Smashing the guitar was totally unscripted, an ad lib by Belushi. Rather than fix the hole in the wall, the real frat put a frame around it and a plaque. The house has since been torn down.
The singer was Stephen Bishop. His biggest hits include “On and On”, “It Might Be You” and “Save It for a Rainy Day”. He lived with actress Karen Allen for a couple offew