Song: "The Boss"
Artist: Diana Ross
Peak position on the Cashbox Singles chart: #21
Number of weeks on the Cashbox Singles chart: 19
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| July 7, 1979 | 90 | The Boss | Diana Ross | Motown 1462 |
| July 14, 1979 | 81 | The Boss | Diana Ross | Motown 1462 |
| July 21, 1979 | 74 | The Boss | Diana Ross | Motown 1462 |
| July 28, 1979 | 64 | The Boss | Diana Ross | Motown 1462 |
| August 4, 1979 | 55 | The Boss | Diana Ross | Motown 1462 |
| August 11, 1979 | 49 | The Boss | Diana Ross | Motown 1462 |
| August 18, 1979 | 42 | The Boss | Diana Ross | Motown 1462 |
| August 25, 1979 | 37 | The Boss | Diana Ross | Motown 1462 |
| September 1, 1979 | 34 | The Boss | Diana Ross | Motown 1462 |
| September 8, 1979 | 30 | The Boss | Diana Ross | Motown 1462 |
| September 15, 1979 | 28 | The Boss | Diana Ross | Motown 1462 |
| September 22, 1979 | 26 | The Boss | Diana Ross | Motown 1462 |
| September 29, 1979 | 23 | The Boss | Diana Ross | Motown 1462 |
| October 6, 1979 | 21 | The Boss | Diana Ross | Motown 1462 |
| October 13, 1979 | 21 | The Boss | Diana Ross | Motown 1462 |
| October 20, 1979 | 27 | The Boss | Diana Ross | Motown 1462 |
| October 27, 1979 | 35 | The Boss | Diana Ross | Motown 1462 |
| November 3, 1979 | 66 | The Boss | Diana Ross | Motown 1462 |
| November 10, 1979 | 89 | The Boss | Diana Ross | Motown 1462 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.