The ultra-iconic instrumental at the end of The Rolling Stones’ “Can’t You Hear Me Knockin'” was originally just a post-song jam session with Bobby Keys and Mick Taylor that was left in the final recording.

Tyler Childers, Purgatory LP

TRACK LISTING
1 I Swear (To God)
2 Feathered Indians
3 Tattoos
4 Born Again
5 Whitehouse Road
6 Banded Clovis
7 Purgatory
8 Honky Tonk Flame
9 Universal Sound
10 Lady May

Weight .67 lbs