Song: "The Rockford Files"
Artist: Mike Post
Peak position on the Cashbox Singles chart: #10
Number of weeks on the Cashbox Singles chart: 16
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| May 24, 1975 | 99 | The Rockford Files | Mike Post | MGM 14772 |
| May 31, 1975 | 86 | The Rockford Files | Mike Post | MGM 14772 |
| June 7, 1975 | 69 | The Rockford Files | Mike Post | MGM 14772 |
| June 14, 1975 | 58 | The Rockford Files | Mike Post | MGM 14772 |
| June 21, 1975 | 47 | The Rockford Files | Mike Post | MGM 14772 |
| June 28, 1975 | 37 | The Rockford Files | Mike Post | MGM 14772 |
| July 5, 1975 | 26 | The Rockford Files | Mike Post | MGM 14772 |
| July 12, 1975 | 22 | The Rockford Files | Mike Post | MGM 14772 |
| July 19, 1975 | 19 | The Rockford Files | Mike Post | MGM 14772 |
| July 26, 1975 | 17 | The Rockford Files | Mike Post | MGM 14772 |
| August 2, 1975 | 13 | The Rockford Files | Mike Post | MGM 14772 |
| August 9, 1975 | 11 | The Rockford Files | Mike Post | MGM 14772 |
| August 16, 1975 | 10 | The Rockford Files | Mike Post | MGM 14772 |
| August 23, 1975 | 17 | The Rockford Files | Mike Post | MGM 14772 |
| August 30, 1975 | 42 | The Rockford Files | Mike Post | MGM 14772 |
| September 6, 1975 | 53 | The Rockford Files | Mike Post | MGM 14772 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.