Vinyl pressing
I Don't Know / Worry Blues US Pressing (1531)
- Artist
- Willie Mabon
- Title
- I Don't Know / Worry Blues
- Label
- Chess 1531
- Country
- US
- Released
- Unknown
- Format
- 7", 45 RPM, Single, Reissue
Runout and matrix codes
Etched or stamped in the dead wax between the last track and the label. If yours match, you have this pressing.
- 4315Side A - label
- 45-43I5 37Side A - runout
- 4314Side B - label
- 45-43I4 37Side B - runout
Other US pressings of I Don't Know / Worry Blues
- ?Chess CH 15317", 45 RPM, Single, Reissue
- ?Chess 1531Shellac, 10", 78 RPM, Repress
- 1952Chess 1531Shellac, 10", 78 RPM, Single
- 1952Chess 15317", 45 RPM
- 1952Parrot 1050Shellac, 10", 78 RPM
- 1952Checker 1050Shellac, 10", 78 RPM
- 1952Chess 15317", 45 RPM, Single
- 1952Chess 15317", 45 RPM, Single
- 1952Chess 1531Shellac, 10", 78 RPM
- 1953Chess 1531Shellac, 10", 78 RPM, Single, Repress