Song: "I'm So Proud"
Artist: Main Ingredient
Peak position on the Cashbox Singles chart: #41
Number of weeks on the Cashbox Singles chart: 15
(13 weeks in the Top 100)
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| December 5, 1970 | 140 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| December 12, 1970 | 129 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| December 19, 1970 | 100 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| December 26, 1970 | 96 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| January 2, 1971 | 99 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| January 9, 1971 | 92 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| January 16, 1971 | 68 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| January 23, 1971 | 58 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| January 30, 1971 | 52 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| February 6, 1971 | 50 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| February 13, 1971 | 45 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| February 20, 1971 | 43 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| February 27, 1971 | 41 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| March 6, 1971 | 57 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
| March 13, 1971 | 58 | I'm So Proud | Main Ingredient | RCA Victor 74-0401 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.