Creative differences, financial disputes, drug abuse, love triangles – in the music industry, the opportunities to butt heads are basically limitless. The bigger the star, the bigger the ego, and when two tangle, you get a supernova of spite and bile that holds the world in rapture, turning mature adults into spit-flecked children chanting "Fight, fight, fight!" in a circle at
This article originally appeared on www.rollingstone.com: Music’s 30 Fiercest Feuds and Beefs