For as long as there have been music awards, there have been musicians with opinions about those music awards, and the Grammys are no exception. Depending on your point of view, Arcade Fire trumping commercial heavyweights Lady Gaga, Eminem and Katy Perry for Album of the Year at last year’s ceremony was either the event’s salvation or the moment it jumped the shark.

That polarizing victory reignited a decades-old debate about the relevance and future direction of the awards show. Grammy nominees — and Grammy wannabes — have long argued over whether the music industry’s most prestigious trophy has become meaningless in the face of commercialization, and whether an artist’s sales figures and cultural impact should be taken into account when choosing Grammy winners. Jump below to see 10 of the most famous Grammy beefs in recent memory. More »