recording data
first studio recording(1971)

- song Up In Mississippi Tonight / Cause Is Understood
- written by Tom Petty
- produce Ron Albert
- executive produce Gerald Maddox
- recorded at Criteria Studios, Miami
- release 500 copies, Pepper label
first single(1974)

- song Depot Street / Wild Eyes
- written by Tom Petty
- produce Denny Cordell
- recorded at Village Recorder, L.A.
- release Feb. 1975, Shelter
Tulsa sessions(1974)

- song I Can’t Fight It / Cry To Me / Don’t Do Me Like That
- written by Tom Petty
- produce Denny Cordell
- recorded at Shelter Church Studios
- release unrelease
Mudcrutch line-up
1969
- Tom Petty bass
- Tom Leadon guitar
- Mike Campbell guitar
- Randall Marsh drums
- Jim Lenahan vocal

1970-71
- Tom Petty bass vocal
- Tom Leadon guitar vocal
- Mike Campbell guitar
- Randall Marsh drums

1971-73
- Tom Petty bass vocal
- Tom Leadon guitar vocal
- Mike Campbell guitar
- Randall Marsh drums
- (Benmont Tench) keyboard

1973-74
- Tom Petty bass vocal
- Mike Campbell guitar
- Danny Roberts guitar
- Randall Marsh drums
- Benmont Tench keyboard

1974-75
- Tom Petty guitar vocal
- Mike Campbell guitar
- Charlie Sousa bass
- Randall Marsh drums
- Benmont Tench keyboard