Song: "Must Be Love"
Artist: James Gang
Peak position on the Cashbox Singles chart: #45
Number of weeks on the Cashbox Singles chart: 11
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| January 19, 1974 | 89 | Must Be Love | James Gang | Atco 6953 |
| January 26, 1974 | 75 | Must Be Love | James Gang | Atco 6953 |
| February 2, 1974 | 68 | Must Be Love | James Gang | Atco 6953 |
| February 9, 1974 | 63 | Must Be Love | James Gang | Atco 6953 |
| February 16, 1974 | 59 | Must Be Love | James Gang | Atco 6953 |
| February 23, 1974 | 55 | Must Be Love | James Gang | Atco 6953 |
| March 2, 1974 | 51 | Must Be Love | James Gang | Atco 6953 |
| March 9, 1974 | 50 | Must Be Love | James Gang | Atco 6953 |
| March 16, 1974 | 47 | Must Be Love | James Gang | Atco 6953 |
| March 23, 1974 | 45 | Must Be Love | James Gang | Atco 6953 |
| March 30, 1974 | 51 | Must Be Love | James Gang | Atco 6953 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.