Must Have Been Crazy
| "Must Have Been Crazy" | ||||
|---|---|---|---|---|
| Single by Chicago | ||||
| from the album Chicago 13 | ||||
| B-side | "Closer to You" | |||
| Released | August 1979 | |||
| Recorded | 1979 | |||
| Length | 3:26 | |||
| Label | Columbia | |||
| Songwriter | Donnie Dacus | |||
| Producers |
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| Chicago singles chronology | ||||
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"Must Have Been Crazy" is a song by the American rock band Chicago. It was released in August 1979 as the lead single from their eleventh studio album, Chicago 13, and was written by Donnie Dacus, who performs lead vocals in the song. It peaked at No. 83 on the Billboard Hot 100.