http://redlib.gw3ennwsaonltfox7z3rhhof6mxcq2fnwhcj2qyp3kxsfldnxix5b4yd.onion/r/youtubedrama
He was close with these guys, made fan music for them, made their old intro song, and also preformed his music at their fan meetup shows. He links all his proof in the description of the first part, and theirs dozens of links to go through relating to various things, Including sending cannibalistic pornographic material to a minor through instagram dms.