Speaking of Music and the Simpsons... Homer had a little group called "The Be Sharps" While their single "Baby On Board" never went platinum, it did "sell a whole bunch of records" and was awarded this: 5th Season Promo

Presented to THE BE SHARPS in recognition of the musical contribution this "Fab Four" has made with their hit "BABY ON BOARD" (which has sold a whole bunch of records)   Promo Poster   This poster was also part of the 5th season promo material.  The 5th season started out with special guest star George Harrison.