Here is a very nice list JimJ posted many years ago.
The Who - Eminence Front
anything by the Moody Blues
The Eagles - Seven Bridges Road
The Eagles - Hotel California
The Eagles - Peaceful Easy Feeling
SRV - Texas Flood
Steve Miller Band - Jet Airliner
Santana - Se A Cabo
Santana - Samba Pa Ti
Samuel Barber - Adagio for Strings
*****-Siberian Orchestra - Carol of the Bells
*****-Siberian Orchestra - The Night
some Simon & Garfunkel (Kodachrome, Scarborough Fair, Sound of Silence)
Floyd - Shine On You Crazy Diamond Pt. 1
Floyd - Marooned
Floyd - Take It Back
Neil Young - Cortez the Killer
Micheal Kamen - Opening theme to Robin Hood, Prince of Thieves
Jimi Hendrix - Voodoo Chile (the 14 minute version, not the shorter reprise)
Tull - Aqualung
Eva Cassidy - Wade in the Water
Eva Cassidy - Wayfaring Stranger
Derek & the Dominoes - Layla (entire album)
Dire Straits - Tunnel of Love
Dire Straits - Romeo and Juliet
Dire Straits - Lady Writer
B.B. King - The Thrill is Gone
Allison Krauss & Union Station - The Lucky One (off their excellent live album)
Crosby, Stills & Nash - Suite, Judy Blue Eyes
Gustav Holst - Jupiter
Dream Theater - Stream of Consciousness
The Used - Sometimes I Just Go For It
The Rolling Stones - Wild Horses