What sends shivers down your spine when you play it on your system?

Mahler 1-5 symphonies
Moussorgsky/Ravel - Pictures at an Exhibition, Chicago/Giulini
Vaughn Williams - Fantasia on a theme by Thomas Tallis, ASMF/Marriner
Huey Lewis and the News - The Heart of Rock n Roll
Handel - Messiah, Hallelujah chorus
Barber - Adagio for Strings
Cherubini - Requiem
Beatles - Abbey Road
Satie - Gnossiennes, Gymnopiedes
Pentatonix - Mary Did You Know?
Stravinsky - Rite of Spring
Big Phat Band - Sing, Sang, Sung on Swinging for the Fences
Bach Cello Suites - Janos Starker


Off the top of my head ... :)