Dave Grohl covered many bands, and played many alternate versions of his songs.
There are also a lot of side projects like Probot.

Taylor Hawkins & The Coattail Riders [2006]

01. Louise

02. Walking Away

03. Running In Place

04. NOA

05. It's OK Now

06. End Of The Line

07. You Drive Me Insane

08. Wasted Energy

09. Get Up I Want To Get Down

10. Pitiful

11. Better You Than Me

12. Perfect Day (Hidden)

Half As Much (Unreleased)

Lollipop (Unreleased)