Song: "Tusk"
Artist: Fleetwood Mac
Peak position on the Cashbox Singles chart: #8
Number of weeks on the Cashbox Singles chart: 16
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| October 6, 1979 | 31 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| October 13, 1979 | 24 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| October 20, 1979 | 13 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| October 27, 1979 | 10 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| November 3, 1979 | 8 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| November 10, 1979 | 8 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| November 17, 1979 | 10 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| November 24, 1979 | 15 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| December 1, 1979 | 17 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| December 8, 1979 | 23 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| December 15, 1979 | 29 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| December 22, 1979 | 41 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| December 29, 1979 | 54 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| January 5, 1980 | 54 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| January 12, 1980 | 71 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
| January 19, 1980 | 87 | Tusk | Fleetwood Mac | Warner Bros. 49077 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.