Song: "Mamma Mia"
Artist: Abba
Peak position on the Cashbox Singles chart: #36
Number of weeks on the Cashbox Singles chart: 15
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| May 29, 1976 | 76 | Mamma Mia | Abba | Atlantic 3315 |
| June 5, 1976 | 57 | Mamma Mia | Abba | Atlantic 3315 |
| June 12, 1976 | 51 | Mamma Mia | Abba | Atlantic 3315 |
| June 19, 1976 | 47 | Mamma Mia | Abba | Atlantic 3315 |
| June 26, 1976 | 42 | Mamma Mia | Abba | Atlantic 3315 |
| July 3, 1976 | 38 | Mamma Mia | Abba | Atlantic 3315 |
| July 10, 1976 | 36 | Mamma Mia | Abba | Atlantic 3315 |
| July 17, 1976 | 39 | Mamma Mia | Abba | Atlantic 3315 |
| July 24, 1976 | 41 | Mamma Mia | Abba | Atlantic 3315 |
| July 31, 1976 | 38 | Mamma Mia | Abba | Atlantic 3315 |
| August 7, 1976 | 36 | Mamma Mia | Abba | Atlantic 3315 |
| August 14, 1976 | 36 | Mamma Mia | Abba | Atlantic 3315 |
| August 21, 1976 | 37 | Mamma Mia | Abba | Atlantic 3315 |
| August 28, 1976 | 42 | Mamma Mia | Abba | Atlantic 3315 |
| September 4, 1976 | 57 | Mamma Mia | Abba | Atlantic 3315 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.