The Heat Is On is the thirteenth studio album by American soul and funk group The Isley Brothers, released June 7, 1975 on T-Neck Records and Epic Records. Written and produced entirely by the group, the album was recorded in 1975 at Kendum Recorders in Burbank, California. The group implemented many acoustic and electric instruments during its recording, including guitar, piano, and synthesizer. Primarily a funk and soul outing, "The Heat Is On" features musical elements of rock music, and it is divided between uptempo funk songs and subdued smooth soul-ballads.