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| Label: | Philadelphia International Records S PIR 2155 |
| Genre: | Funk / Soul |
| Style: | Disco |
| Format: | Vinyl (7") |
| A | When Will I See You Again » Arranged By: Bobby Martin | 2:58 |
| B | I Didn't Know » Arranged By: Richard Rome | 2:50 |
| Label: | Philadelphia International Records PIR 2155 |
| Genre: | Funk / Soul |
| Style: | Soul, Disco |
| Format: | Vinyl (7" , 45 RPM) |
| A | When Will I See You Again » Arranged By: Bobby Martin » Written-By: K. Gamble - L. Huff | 2:58 |
| B | I Didn't Know » Arranged By: Richard Rome » Written-By: B. Sigler, J. Lang | 2:50 |
| Label: | Philadelphia International Records PIR S 2155 |
| Genre: | Funk / Soul |
| Style: | Soul, Disco |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | When Will I See You Again » Arranged By: Bobby Martin » Written-By: K. Gamble - L. Huff | 2:58 |
| B | I Didn't Know » Arranged By: Richard Rome » Written-By: B. Sigler, J. Lang | 2:50 |
| Label: | Philadelphia International Records PIR 2155 |
| Genre: | Funk / Soul |
| Style: | Soul, Disco |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | When Will I See You Again » Arranged By: Bobby Martin » Written-By: K. Gamble - L. Huff | 2:58 |
| B | I Didn't Know » Arranged By: Richard Rome » Written-By: B. Sigler, J. Lang | 2:50 |
| Label: | Philadelphia International Records PIR 2155 |
| Genre: | Funk / Soul |
| Style: | Soul |
| Format: | Vinyl (7" , 45 RPM) |
| A | When Will I See You Again » Arranged By: Bobby Martin » Written-By: K. Gamble - L. Huff | 2:58 |
| B | I Didn't Know » Arranged By: Richard Rome » Written-By: B. Sigler, J. Lang | 2:50 |
| Label: | Philadelphia International Records PIR 2155 |
| Genre: | Funk / Soul |
| Style: | Soul, Disco |
| Format: | Vinyl (7" , Single) |
| A | I Didn't Know | |
| B | When Will I See You Again |
| Label: | Philadelphia International Records PIR S 2155 |
| Genre: | Funk / Soul |
| Style: | Soul, Disco |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | When Will I See You Again » Arranged By: Bobby Martin » Written-By: K. Gamble - L. Huff | 2:58 |
| B | I Didn't Know » Arranged By: Richard Rome » Written-By: B. Sigler, J. Lang | 2:50 |
| Label: | Philadelphia International Records ZS8 3550 |
| Genre: | Funk / Soul |
| Style: | Soul, Funk |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | When Will I See You Again (Stereo) | 2:58 |
| B | Year Of Decision | 2:42 |
| Label: | Philadelphia International Records PIR 2786 |
| Genre: | Funk / Soul |
| Style: | Soul, Funk |
| Format: | Vinyl (7" , 45 RPM) |
| A | When Will I See You Again » Arranged By: Bobby Martin | 2:58 |
| B | Year Of Decision » Arranged By: Norman Harris | 2:42 |
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