Song: "Say You'll Be Mine"
Artist: Christopher Cross
Peak position on the Cashbox Singles chart: #27
Number of weeks on the Cashbox Singles chart: 14
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| March 28, 1981 | 74 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| April 4, 1981 | 65 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| April 11, 1981 | 57 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| April 18, 1981 | 47 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| April 25, 1981 | 40 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| May 2, 1981 | 34 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| May 9, 1981 | 30 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| May 16, 1981 | 28 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| May 23, 1981 | 27 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| May 30, 1981 | 38 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| June 6, 1981 | 48 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| June 13, 1981 | 61 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| June 20, 1981 | 73 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
| June 27, 1981 | 99 | Say You'll Be Mine | Christopher Cross | Warner Bros. 49705 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.