What is the epic song of a group?


I will start. I vote for Stairway to Heaven for Zep. Its grand with a great finish. I will throw in Salisbury by Uriah Heap. Ok lets see some posts of what you think is a groups masterpiece.
128x128blueranger
I now realize many of us, certainly I, didn't take the "epic" qualifier seriously enough in our nominations.
Talking Heads-Burning Down the HouseEagles-DesperadoRolling Stones-Ruby TuesdayBob Dylan-Lay Lady Lay
Jethro Tull-Locomotive BreathPink Floyd-Us and ThemBeatles-Let It BeElvis-Jailhouse RockMoody Blues-Nights in White SatinSimon and Garfunkel-Scarborough FairPeter, Paul and Mary-Blowin' in the WindMamas and Papas-California Dreamin'Cars-DriveHeart-Crazy on YouPrince-When Doves CryDire Straights-Brothers in ArmsJudy Collins-Amazing GraceAretha-ThinkLinda Ronstadt-Rock Me on the WaterSteely Dan-Rickie Don't Lose That Number
Supertramp - School, Breakfast in America, Crime of the Century
Beatles - Yesterday, Hey Jude
Neil Young - Heart of Gold
Bruce Springsteen - Born in the USA, Tougher than the rest
Joe Cocker - Up where we belong
Stanley Clark - Vulcan Princess