Song: "Maybe I Know"
Artist: Ellie Greenwich
Peak position on the Cashbox Singles chart: #115
Number of weeks on the Cashbox Singles chart: 6
(0 weeks in the Top 100)
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| June 2, 1973 | 117 | Maybe I Know | Ellie Greenwich | Verve 10719 |
| June 9, 1973 | 116 | Maybe I Know | Ellie Greenwich | Verve 10719 |
| June 16, 1973 | 116 | Maybe I Know | Ellie Greenwich | Verve 10719 |
| June 23, 1973 | 115 | Maybe I Know | Ellie Greenwich | Verve 10719 |
| June 30, 1973 | 121 | Maybe I Know | Ellie Greenwich | Verve 10719 |
| July 7, 1973 | 126 | Maybe I Know | Ellie Greenwich | Verve 10719 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.