First-year pressing
Alvin's Harmonica / Mediocre 1958 UK Pressing (45-HL-U.8823)
- Artist
- David Seville And The Chipmunks
- Title
- Mediocre / Alvin's Harmonica
- Label
- London Records 45-HL-U.8823
- Country
- UK
- Released
- 1958
- Format
- 7", Single
Other UK pressings of Alvin's Harmonica / Mediocre
- 1958London Records 45-HL-U-88237", 45 RPM
- 1958London Records 45-HL-U.88237", Single
- 1958London Records 45-HL-U-88237", 45 RPM
- 1959London Records HLU 8823Shellac, 10", 78 RPM
- ?London American Recordings 45-HL-U.88237", 45 RPM, Single, Repress