I was listening to Classic Hits 103.7 (the premier [best] radio station in Sussex County; formerly known as Power 103.7) last night, and laughed at their "Mandatory Metallica" segment.  I have a few feelings about Metallica, and they're mostly bad feelings.  But to call something "Mandatory" means that it lost it's fun.  It's no longer a choice.  It's required.  Recoil [jokingly] wrote about it a few years ago.