- Jackson Browne
- James Hetfield
- Neil Young
- David Crosby
- Michael Hedges
- Henry Kaiser
- Ronnie Montrose
- Doug Young
- Natalie Mains
- Sheryl Crow
- Trey Anastasio
- Larry Cragg
- Tom Waits
- Brad Whitford
Michael Gulezian - John Frusciante
- Richie Sambora
- Matt Nathanson
- Emmylou Harris
- Paul Simon
- Beck
- Foreigner
- Ben Harper
- Kim Person
- Bonnie Raitt
- Stefano Barone
- Tal Wilkenfeld