Soul classic from 1963, for Monday.
“Heat Wave” is a 1963 song written by the Holland–Dozier–Holland songwriting team. It was first made popular by the Motown vocal group Martha and the Vandellas. Released as a 45 rpm single on July 9, 1963, on the Motown subsidiary Gordy label, it hit number 1 on the Billboard Hot R&B chart—where it stayed for four weeks—and peaking at number 4 on the Billboard Hot 100.
Source – Wikipedia