This one is simple: look through your top rated songs, and post ONE from each artist in alphabetical order. Highlight your all-time favorite song, if you like. From my iTunes library:

Aerosmith - Dream On (Live)

Billy Joel - We Didn't Start The Fire

Creedence Clearwater Revival - Fortunate Son

David Gilmour - On An Island / Echoes (Live) (Echoes is from a bootleg)

Eric Clapton - Cocaine

Guns N' Roses - Welcome To The Jungle

Jimi Hendrix - All Along The Watchtower

Mark Knopfler - Boom, Like That

Ozzy Osbourne - Crazy Train

Paul Simon - Outrageous

Pete Townshend - White City Fighting

Pink Floyd - Echoes

Queen - Bohemian Rhapsody

Roger Waters - Dogs (Live)

The Rolling Stones - Satisfaction

Steely Dan - Green Book

Stevie Wonder - Superstition

The Who - Won't Get Fooled Again