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
You Really Got Me - The Kinks

I need to stop these songs are popping in me head in no particular order. 
Another example would be "Eruption" by Focus. "Warning" by Black Sabbath. "Fire on High" by ELO. "2112" by Rush."Funeral for a Friend" by Elton John. "Close to the Edge" by Yes. 

The Beach Boys: "God Only Knows", written by Brian Wilson.

Jimmy Ruffin: "What Becomes Of The Broken Hearted", written by William Weatherspoon, Paul Riser, and James Dean.

The Band: "The Weight", written by J.R. Robertson.

The above are by far the most "majestic" Pop songs I’ve ever heard, on a par with Beethoven.

Bob Dylan: "Like A Rolling Stone", written by Robert Zimmerman.

Skeeter Davis: "The End Of The World", written by Arthur Kent and Sylvia Dee.

Tom T. Hall: "That’s How I Got To Memphis", written by TTH. Also done really well by Buddy Miller.

John Hiatt: "Lipstick Sunset", written by JH.

Lucinda Williams: "West", written by LW.

Richard Thompson: "Shoot Out The Lights", written by RT.

Television: "Marquee Moon", written by Tom Verlaine.

The Beatles: "Strawberry Fields Forever", written by John Lennon.

The Beatles: "A Day In The Life", written by John Lennon and Paul McCartney.

The Dwight Twilley Band: "I’m On Fire", written by DT.

Emitt Rhodes: "Fresh As A Daisy", written by ER.

Nick Lowe: "(What's So Funny 'Bout) Peace Love And Understanding", written by Declan Macmanus.