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
Miles Runs The Voodoo Down - Miles Davis                                                                  The Unknown Soldier - Weather Report      A Love Supreme - John Coltrane
The Doors - Light my Fire.
The Cream - Sunshine of your Love.
The Who - Won't get fooled Again.