Song: "FM"
Artist: Steely Dan
Peak position on the Cashbox Singles chart: #24
Number of weeks on the Cashbox Singles chart: 13
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| June 3, 1978 | 77 | FM | Steely Dan | MCA 40894 |
| June 10, 1978 | 64 | FM | Steely Dan | MCA 40894 |
| June 17, 1978 | 56 | FM | Steely Dan | MCA 40894 |
| June 24, 1978 | 44 | FM | Steely Dan | MCA 40894 |
| July 1, 1978 | 35 | FM | Steely Dan | MCA 40894 |
| July 8, 1978 | 32 | FM | Steely Dan | MCA 40894 |
| July 15, 1978 | 28 | FM | Steely Dan | MCA 40894 |
| July 22, 1978 | 25 | FM | Steely Dan | MCA 40894 |
| July 29, 1978 | 24 | FM | Steely Dan | MCA 40894 |
| August 5, 1978 | 35 | FM | Steely Dan | MCA 40894 |
| August 12, 1978 | 48 | FM | Steely Dan | MCA 40894 |
| August 19, 1978 | 78 | FM | Steely Dan | MCA 40894 |
| August 26, 1978 | 98 | FM | Steely Dan | MCA 40894 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.