Calming music

Research shows that listening to 30 minutes of classical music may produce calming effects equivalent to taking 10 mg of Valium.

http://www.webmd.com/balance/stress-management/features/blissing-out-10-relaxation-techniques-reduce-stress-spot?page=3

"I play the notes as they are written, but it is God who makes the music." - J.S. Bach