Song: "Que Sera, Sera (Whatever Will Be, Will Be)"
Artist: Mary Hopkin
Peak position on the Cashbox Singles chart: #49
Number of weeks on the Cashbox Singles chart: 7
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| June 27, 1970 | 81 | Que Sera, Sera (Whatever Will Be, Will Be) | Mary Hopkin | Apple 1823 |
| July 4, 1970 | 61 | Que Sera, Sera (Whatever Will Be, Will Be) | Mary Hopkin | Apple 1823 |
| July 11, 1970 | 55 | Que Sera, Sera (Whatever Will Be, Will Be) | Mary Hopkin | Apple 1823 |
| July 18, 1970 | 51 | Que Sera, Sera (Whatever Will Be, Will Be) | Mary Hopkin | Apple 1823 |
| July 25, 1970 | 49 | Que Sera, Sera (Whatever Will Be, Will Be) | Mary Hopkin | Apple 1823 |
| August 1, 1970 | 63 | Que Sera, Sera (Whatever Will Be, Will Be) | Mary Hopkin | Apple 1823 |
| August 8, 1970 | 64 | Que Sera, Sera (Whatever Will Be, Will Be) | Mary Hopkin | Apple 1823 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.