Favorite epic songs

[okr]

Layla - Derek & The Dominos http://www.youtube.com/watch?v=Th3ycKQV_4k
Cortez the Killer - Neil Young http://www.youtube.com/watch?v=m-b76yiqO1E
Heroes - David Bowie http://www.dailymotion.com/video/xh04i_david-bowie-heroes_music
The Carpet Crawlers - Genesis http://www.youtube.com/watch?v=yNssQyjYtyU&feature=related
Sara - Fleetwood Mac http://www.dailymotion.com/video/xf3q27_fleetwood-mac-sara_music#
Astral Weeks - Van Morrison http://www.youtube.com/watch?v=4ech6pZoBJ4&feature=related
Edith & the Kingpin - Joni Mitchell http://www.youtube.com/watch?v=cTgGYr-INqc

just to name a few