Song: "Knock Three Times"
Artist: Tony Orlando & Dawn
Peak position on the Cashbox Singles chart: #1
Number of weeks on the Cashbox Singles chart: 18
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| November 14, 1970 | 87 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| November 21, 1970 | 69 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| November 28, 1970 | 56 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| December 5, 1970 | 29 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| December 12, 1970 | 15 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| December 19, 1970 | 10 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| December 26, 1970 | 4 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| January 2, 1971 | 2 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| January 9, 1971 | 2 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| January 16, 1971 | 1 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| January 23, 1971 | 1 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| January 30, 1971 | 2 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| February 6, 1971 | 2 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| February 13, 1971 | 3 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| February 20, 1971 | 9 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| February 27, 1971 | 22 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| March 6, 1971 | 24 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
| March 13, 1971 | 34 | Knock Three Times | Tony Orlando & Dawn | Bell 938 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.