Favorite song to demo or test drive speakers?


What is the first song you played when you listened to your new system for the 1st time? 
mhewitt
Genesis - The Carpet Crawlers and The Lamia
Nils Lofgrin -Keith Don't Go (yes overplayed)
Buckethead - Super Human
Jim James - Exploding
Diana Krall - California Dreaming
Catriona MacKay - Swan LK 243
Mary Chapin Carpenter - John Doe No. 24
Monsters of Folk - Dear God...great bass

I have these and a few more on a Roon playlist labeled 'Test Tracks'

Stranglehold-Ted Nugent
Voodoo Chile-Jimi Hendrix
Cocaine-Eric Clapton 
Bolero-Jeff Beck