* ApprovalOfGod: Has played live with members of the band playing Music/{{Metallica}} songs on the their cellos and [[http://www.youtube.com/watch?v=x18q6qElb98&feature=relmfu James Hetfield providing vocals]]. At the end James yelled:
--> Apocalyptica, we love you boys!
* BlackSheepHit: "I Don't Care" is arguably their SignatureSong, but it doesn't really sound like them, having distinct PostGrunge leanings.