Song: "Promises"
Artist: Eric Clapton
Peak position on the Cashbox Singles chart: #11
Number of weeks on the Cashbox Singles chart: 27
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| October 14, 1978 | 88 | Promises | Eric Clapton | RSO 910 |
| October 21, 1978 | 75 | Promises | Eric Clapton | RSO 910 |
| October 28, 1978 | 67 | Promises | Eric Clapton | RSO 910 |
| November 4, 1978 | 58 | Promises | Eric Clapton | RSO 910 |
| November 11, 1978 | 47 | Promises | Eric Clapton | RSO 910 |
| November 18, 1978 | 41 | Promises | Eric Clapton | RSO 910 |
| November 25, 1978 | 33 | Promises | Eric Clapton | RSO 910 |
| December 2, 1978 | 30 | Promises | Eric Clapton | RSO 910 |
| December 9, 1978 | 24 | Promises | Eric Clapton | RSO 910 |
| December 16, 1978 | 18 | Promises | Eric Clapton | RSO 910 |
| December 23, 1978 | 15 | Promises | Eric Clapton | RSO 910 |
| December 30, 1978 | 12 | Promises | Eric Clapton | RSO 910 |
| January 13, 1979 | 11 | Promises | Eric Clapton | RSO 910 |
| January 20, 1979 | 15 | Promises | Eric Clapton | RSO 910 |
| January 27, 1979 | 22 | Promises | Eric Clapton | RSO 910 |
| February 3, 1979 | 33 | Promises | Eric Clapton | RSO 910 |
| February 10, 1979 | 47 | Promises | Eric Clapton | RSO 910 |
| February 17, 1979 | 67 | Promises | Eric Clapton | RSO 910 |
| February 17, 1979 | 85 | Watch Out For Lucy | Eric Clapton | RSO 910b |
| February 24, 1979 | 74 | Watch Out For Lucy | Eric Clapton | RSO 910b |
| February 24, 1979 | 92 | Promises | Eric Clapton | RSO 910 |
| March 3, 1979 | 65 | Watch Out For Lucy | Eric Clapton | RSO 910b |
| March 10, 1979 | 57 | Watch Out For Lucy | Eric Clapton | RSO 910b |
| March 17, 1979 | 52 | Watch Out For Lucy | Eric Clapton | RSO 910b |
| March 24, 1979 | 47 | Watch Out For Lucy | Eric Clapton | RSO 910b |
| March 31, 1979 | 45 | Watch Out For Lucy | Eric Clapton | RSO 910b |
| April 7, 1979 | 100 | Watch Out For Lucy | Eric Clapton | RSO 910b |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.