| Musician | Appearances |
|---|---|
| Kirk Hammett | 10 albums |
| James Hetfield | 10 albums |
| Lars Ulrich | 10 albums |
| Jason Newsted | 4 albums |
| Cliff Burton | 3 albums |
| Robert Trujillo | 2 albums |
| Bernardo Bigalli | 1 album |
| Marianne Faithfull | 1 album |
| Jim McGillveray | 1 album |
| David Miles | 1 album |
| Bob Rock | 1 album |