Greg Allman
 

If it's yer thing, they did some of the earliest great rock-era jams, and they did have a few truly tremendous song. My nomination is In Memory of Elisabeth Reed, and this is a decent performance from the good years:

https://www.youtube.com/watch?v=22MRGWnPPIU

*adds 'older than dirt' to the Sadre dossier*

Blue Sky