Song: "Check Yourself"
Artist: I.A.P. Co.
Peak position on the Cashbox Singles chart: #103
Number of weeks on the Cashbox Singles chart: 9
(0 weeks in the Top 100)
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| March 28, 1970 | 132 | Check Yourself | I.A.P. Co. | Colossus 110 |
| April 4, 1970 | 118 | Check Yourself | I.A.P. Co. | Colossus 110 |
| April 11, 1970 | 113 | Check Yourself | I.A.P. Co. | Colossus 110 |
| April 18, 1970 | 111 | Check Yourself | I.A.P. Co. | Colossus 110 |
| April 25, 1970 | 109 | Check Yourself | I.A.P. Co. | Colossus 110 |
| May 2, 1970 | 107 | Check Yourself | I.A.P. Co. | Colossus 110 |
| May 9, 1970 | 103 | Check Yourself | I.A.P. Co. | Colossus 110 |
| May 16, 1970 | 104 | Check Yourself | I.A.P. Co. | Colossus 110 |
| May 23, 1970 | 113 | Check Yourself | I.A.P. Co. | Colossus 110 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.