Song: "Didn't I Blow Your Mind This Time"
Artist: Delfonics
Peak position on the Cashbox Singles chart: #13
Number of weeks on the Cashbox Singles chart: 15
(14 weeks in the Top 100)
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| January 3, 1970 | 134 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| January 10, 1970 | 97 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| January 17, 1970 | 83 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| January 24, 1970 | 78 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| January 31, 1970 | 46 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| February 7, 1970 | 36 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| February 14, 1970 | 31 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| February 21, 1970 | 27 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| February 28, 1970 | 21 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| March 7, 1970 | 16 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| March 14, 1970 | 13 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| March 21, 1970 | 13 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| March 28, 1970 | 18 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| April 4, 1970 | 23 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
| April 11, 1970 | 36 | Didn't I Blow Your Mind This Time | Delfonics | Philly Groove 161 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.