Merry Christmas, now get off my lawn

A couple of blasts from the past, specifically the start of my gig going years. TISM were absolutely mad, and the HLAH cover of I'm on Fire rocks.
The Cash version is also worthy, but I can't find a video of that one.

One of these is mindblowingly fantastic

And one of these is fantastically mindblowing. Take your pick which is which.