Well, since I am Thom (who has been known to use the amazing resources at my disposal to answer these wonderful, descending clues), I am going to say those are lyrics from the Elvis Costello song forty-five
Theres a stack of shellac and vinyl
Which is yours now or which is mine? - 45
Here is a song to sing to do the measuring
What did you lose, what did you gain, what did you win?
