Song: "Don't Look Back"
Artist: Boston
Peak position on the Cashbox Singles chart: #7
Number of weeks on the Cashbox Singles chart: 14
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| August 19, 1978 | 43 | Don't Look Back | Boston | Epic 50590 |
| August 26, 1978 | 27 | Don't Look Back | Boston | Epic 50590 |
| September 2, 1978 | 14 | Don't Look Back | Boston | Epic 50590 |
| September 9, 1978 | 12 | Don't Look Back | Boston | Epic 50590 |
| September 16, 1978 | 9 | Don't Look Back | Boston | Epic 50590 |
| September 23, 1978 | 8 | Don't Look Back | Boston | Epic 50590 |
| September 30, 1978 | 7 | Don't Look Back | Boston | Epic 50590 |
| October 7, 1978 | 7 | Don't Look Back | Boston | Epic 50590 |
| October 14, 1978 | 7 | Don't Look Back | Boston | Epic 50590 |
| October 21, 1978 | 16 | Don't Look Back | Boston | Epic 50590 |
| October 28, 1978 | 26 | Don't Look Back | Boston | Epic 50590 |
| November 4, 1978 | 39 | Don't Look Back | Boston | Epic 50590 |
| November 11, 1978 | 55 | Don't Look Back | Boston | Epic 50590 |
| November 18, 1978 | 93 | Don't Look Back | Boston | Epic 50590 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.