Tracklist Hide Credits
| A | Can't Understand ItWritten-By – C. Jackson*, M. Yancy* |
| B | How Long Will It LastWritten-By – B. Butler*, J. Blumenberg*, L. Neely* |
Companies, etc.
- Phonographic Copyright (p) – Phonogram, Inc.
- Manufactured By – Mercury Record Productions, Inc.
- Distributed By – Mercury Record Productions, Inc.
Credits
- Executive-Producer – Jerry Butler
- Producer, Arranged By – Robert Bowles*
Barcode and Other Identifiers
- Matrix / Runout: 2-50165
- Matrix / Runout: 2-50166
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 73395 | Jerry Butler / Brenda Lee Eager | Jerry Butler / Brenda Lee Eager - Can't Understand It / How Long Will It Last (7", Single, Promo) | Mercury | 73395 | US | 1973 |
| 73395 | Jerry Butler / Brenda Lee Eager | Jerry Butler / Brenda Lee Eager - Can't Understand It / How Long Will It Last (7", Single) | Mercury | 73395 | US | 1973 |
