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Dänemark| Label: | MGM Records MGM 1466 |
| Genre: | Funk / Soul |
| Style: | Soul |
| Format: | Vinyl (7" , 45 RPM) |
| A | May I » Written-By: Williams | 2:15 |
| B | Day By Day My Love Grows Stronger » Written-By: Deal, Ligart | 2:29 |
| Label: | Heritage HE 803 |
| Genre: | Funk / Soul |
| Style: | Soul |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | May I » Written-By: M. Williams | 2:15 |
| B | Day By Day My Love Grows Stronger » Written-By: B. Deal, Rollie Ligart | 2:29 |
| Label: | Collectables C1087 |
| Genre: | Funk / Soul |
| Style: | Soul |
| Format: | Vinyl (7" , Single , 45 RPM , Reissue) |
| A | May I » Written-By: M. William | 2:15 |
| B | Day By Day My Love Grows Stronger » Written-By: B. Deal, Rollie Ligart | 2:29 |
| Label: | Polydor 10 59 258 |
| Genre: | Rock, Pop |
| Style: | Pop Rock |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | May I | |
| B | Day By Day My Love Grows Stronger |
| Label: | Heritage HE 803X |
| Genre: | Funk / Soul |
| Style: | Soul |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | May I » Written-By: M. Williams | 2:15 |
| B | Day By Day My Love Grows Stronger » Written-By: B. Deal, Rollie Ligart | 2:29 |
| Label: | Heritage HE 803 |
| Genre: | Funk / Soul |
| Style: | Soul |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | May I » Written-By: M. Williams | 2:15 |
| B | Day By Day My Love Grows Stronger » Written-By: B. Deal, Rollie Ligart | 2:29 |