Song: "What You Won't Do For Love"
Artist: Bobby Caldwell
Peak position on the Cashbox Singles chart: #10
Number of weeks on the Cashbox Singles chart: 18
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| December 16, 1978 | 99 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| December 23, 1978 | 92 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| December 30, 1978 | 81 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| January 13, 1979 | 65 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| January 20, 1979 | 55 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| January 27, 1979 | 47 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| February 3, 1979 | 38 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| February 10, 1979 | 30 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| February 17, 1979 | 25 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| February 24, 1979 | 18 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| March 3, 1979 | 14 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| March 10, 1979 | 12 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| March 17, 1979 | 11 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| March 24, 1979 | 10 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| March 31, 1979 | 18 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| April 7, 1979 | 33 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| April 14, 1979 | 44 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
| April 21, 1979 | 87 | What You Won't Do For Love | Bobby Caldwell | Clouds 11 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.