Kool & the Gang was established in the mid-1960s by Robert "Kool" Bell, his brother Ronald Bell, and a group of their teenage friends from New Jersey, originally under the name the Jazziacs. Initially, the band focused on traditional jazz, performing at various regional venues for several years. Over time, they began to evolve their sound, integrating the emerging funk influences of artists like Sly and the Family Stone and James Brown. In the early 1970s, they signed with the De-Lite label, gradually building a dedicated national audience, particularly with their 1971 release, Live at the Sex Machine.

The band's popularity surged in 1974 with the release of Wild and Peaceful, an album characterized by its raw energy and infectious sound. This project produced three major hits: "Funky Stuff," "Hollywood Swinging," and "Jungle Boogie," all of which showcased impressive instrumentation and lively vocal delivery. However, the group's ascent to fame was short-lived, as their rough sound became less relevant amid the polished, dance-oriented music that began to dominate the radio in the late 1970s.

By 1979, Kool & the Gang was struggling to maintain their presence in the music scene. To revitalize their career, they brought in lead vocalist James J.T. Taylor and producer Eumir Deodato to create a more polished dance album titled Ladies Night. Deodato's production softened the group's jazz influences, resulting in a commercially successful release that featured Taylor's captivating tenor voice. The album produced two significant hits: the title track "Ladies Night" and the midtempo song "Too Hot." This marked the beginning of an impressive streak of top-10 pop and soul hits, establishing Kool & the Gang as the top-selling soul group of the 1980s.

Following Ladies Night, the group achieved even greater success with the album Celebration, whose title track became an anthem for numerous sports teams during the decade and remains one of the most-played songs over the past 25 years. The subsequent five years were marked by a series of hits, including "Misled," "Cherish," "Take My Heart," "Joanna," "Fresh," and "Let's Go Dancin'." While some of their music, such as "Get Down On It," veered into a lighter, more playful territory, Kool & the Gang consistently delivered a catalog of enjoyable and well-executed tracks, both during Deodato's production tenure and after they assumed production responsibilities in 1983. Their 1987 album, Forever, was another hit, although it also hinted at a growing formulaic quality in the sound that had initially revitalized their career.

In 1987, Taylor departed from the group to pursue a solo career, achieving moderate success, including a notable duet with Regina Belle titled "All I Want Is Forever." Kool & the Gang continued as a group but did not achieve further chart success. They spent the following decade performing on the oldies circuit until Taylor rejoined the band for a 1996 reunion tour and the release of the album State of Affairs, which was well received but overlooked by both Pop and Soul radio.

Today, Kool & the Gang consists of a quintet featuring original members Robert "Kool" Bell, Ronald Bell (Khalis Bayyan), George Brown, Dennis Thomas, and Charles Smith. The group continues to tour internationally, enjoying a particularly strong following in Asia. J.T. Taylor remains active in his solo career, albeit with limited success.