Song: "I Don't Know If It's Right"
Artist: Evelyn King
Peak position on the Cashbox Singles chart: #17
Number of weeks on the Cashbox Singles chart: 19
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| December 30, 1978 | 88 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| January 13, 1979 | 77 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| January 20, 1979 | 69 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| January 27, 1979 | 58 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| February 3, 1979 | 49 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| February 10, 1979 | 39 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| February 17, 1979 | 32 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| February 24, 1979 | 27 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| March 3, 1979 | 24 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| March 10, 1979 | 21 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| March 17, 1979 | 19 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| March 24, 1979 | 17 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| March 31, 1979 | 17 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| April 7, 1979 | 29 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| April 14, 1979 | 30 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| April 21, 1979 | 42 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| April 28, 1979 | 58 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| May 5, 1979 | 83 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
| May 12, 1979 | 97 | I Don't Know If It's Right | Evelyn King | RCA 11386 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.