| Label: | Mercury 71519X45 |
| Genre: | Pop |
| Style: | Vocal |
| Format: | Vinyl (7" , 45 RPM , Single) |
| A | Smooth Operator » Written-By: Clyde Otis, Murray Stein | 2:17 |
| B | Maybe It's Because (I Love You Too Much) » Written-By: Irving Berlin | 2:33 |
| Label: | Mercury 110020 |
| Genre: | Jazz |
| Style: | Vocal |
| Format: | Vinyl (7" , 45 RPM , Stereo) |
| A | Smooth Operator » Lyrics By: Murray Stein » Written-By: Clyde Otis | 2:17 |
| B | Maybe It's Because (I Love You Too Much) » Written-By: I. Berlin | 2:33 |
| Label: | Mercury 45320 |
| Genre: | Jazz, Pop |
| Format: | Vinyl (7" , 45 RPM) |
| A | Smooth Operator | 2:17 |
| B | Maybe It's Because [I Love You Too Much] | 2:33 |