Song: "Lady Bump"
Artist: Penny McLean
Peak position on the Cashbox Singles chart: #61
Number of weeks on the Cashbox Singles chart: 11
(8 weeks in the Top 100)
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| December 20, 1975 | 110 | Lady Bump | Penny McLean | Atco 7038 |
| December 27, 1975 | 107 | Lady Bump | Penny McLean | Atco 7038 |
| January 3, 1976 | 105 | Lady Bump | Penny McLean | Atco 7038 |
| January 10, 1976 | 87 | Lady Bump | Penny McLean | Atco 7038 |
| January 17, 1976 | 78 | Lady Bump | Penny McLean | Atco 7038 |
| January 24, 1976 | 73 | Lady Bump | Penny McLean | Atco 7038 |
| January 31, 1976 | 68 | Lady Bump | Penny McLean | Atco 7038 |
| February 7, 1976 | 62 | Lady Bump | Penny McLean | Atco 7038 |
| February 14, 1976 | 61 | Lady Bump | Penny McLean | Atco 7038 |
| February 21, 1976 | 66 | Lady Bump | Penny McLean | Atco 7038 |
| February 28, 1976 | 81 | Lady Bump | Penny McLean | Atco 7038 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.