Song: "No More Tears (Enough Is Enough)"
Artist: Barbra Streisand & Donna Summer
Peak position on the Cashbox Singles chart: #1
Number of weeks on the Cashbox Singles chart: 17
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| October 20, 1979 | 57 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| October 27, 1979 | 36 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| November 3, 1979 | 14 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| November 10, 1979 | 9 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| November 17, 1979 | 5 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| November 24, 1979 | 2 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| December 1, 1979 | 2 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| December 8, 1979 | 2 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| December 15, 1979 | 1 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| December 22, 1979 | 2 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| December 29, 1979 | 11 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| January 5, 1980 | 11 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| January 12, 1980 | 16 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| January 19, 1980 | 28 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| January 26, 1980 | 44 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| February 2, 1980 | 68 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
| February 9, 1980 | 96 | No More Tears (Enough Is Enough) | Barbra Streisand & Donna Summer | Columbia 11125 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.