When you think of "metal" music, you imagine it playing in some crowded arena or pumping into someone's headphones while they work out. What you don't imagine is someone shredding amazing riffs while getting some dental work done, or tearing it up in the shower. What you don't expect is the following...
Presenting, playing metal at inappropriate moments, by YouTube user Rob Scallon.
The guy can shred, and somehow, his riffage comes across as even more intense while bellowing through a quiet library.
Via Wimp
But the dental work scenes are pretty funny.