Agoraphobic Nosebleed - Domestic Power Violence
Music doesn't get much more intense than this.

Pere Ubu - The Modern Dance
An experiment tinged with punk ethic lets you see what it's really like.

Sun Ra - The Magic City
Jazz without boundaries, arrangements or even goals will bring you closer to God.

PINK FLOYD: THE WALL You may as well let our alien friend know how messed up the human race is.

PORCUPINE TREE: STUPID DREAM Play him "A Smart Kid", just in case most of the human race has destroyed itself via apocalypse. Errr... leave it for him to discover. I forget, we've all been wiped out. Except the "smart kid".

CHINA CRISIS: WORKING WITH FIRE AND STEEL Let him know that even though the world has gone to Hell, we were capable of creating beautiful things...

Bob Dylan- The Freewheelin' Bob Dylan; Proves that humanity does, indeed, have a conscience.

The Sex Pistols- Spunk; Because even though (most) people know what's right, the world is still fucked up.

Johnny Ace- Memorial Album; Not everything is politics and hatred, and to complement some of the more tender songs on "Freewheelin'", here's a collection of songs that basically define an emotion we humans call "love."