They really understate Mozart. My favourite scatalogical composition of his is "Lick My Ass Right Well and Clean" where he compares his ass to nicely buttered roast meat: https://en.wikipedia.org/wiki/Leck_mir_den_Arsch_fein_recht_sch%C3%B6n_sauber

Super pretty choir piece: https://www.youtube.com/watch?v=wkNePP0DX1A