Song: "Straight On"
Artist: Heart
Peak position on the Cashbox Singles chart: #18
Number of weeks on the Cashbox Singles chart: 18
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| September 16, 1978 | 78 | Straight On | Heart | Portrait 70020 |
| September 23, 1978 | 68 | Straight On | Heart | Portrait 70020 |
| September 30, 1978 | 61 | Straight On | Heart | Portrait 70020 |
| October 7, 1978 | 53 | Straight On | Heart | Portrait 70020 |
| October 14, 1978 | 47 | Straight On | Heart | Portrait 70020 |
| October 21, 1978 | 39 | Straight On | Heart | Portrait 70020 |
| October 28, 1978 | 33 | Straight On | Heart | Portrait 70020 |
| November 4, 1978 | 29 | Straight On | Heart | Portrait 70020 |
| November 11, 1978 | 25 | Straight On | Heart | Portrait 70020 |
| November 18, 1978 | 23 | Straight On | Heart | Portrait 70020 |
| November 25, 1978 | 21 | Straight On | Heart | Portrait 70020 |
| December 2, 1978 | 19 | Straight On | Heart | Portrait 70020 |
| December 9, 1978 | 18 | Straight On | Heart | Portrait 70020 |
| December 16, 1978 | 26 | Straight On | Heart | Portrait 70020 |
| December 23, 1978 | 33 | Straight On | Heart | Portrait 70020 |
| December 30, 1978 | 46 | Straight On | Heart | Portrait 70020 |
| January 13, 1979 | 60 | Straight On | Heart | Portrait 70020 |
| January 20, 1979 | 95 | Straight On | Heart | Portrait 70020 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.