Kool & The Gang - Hollywood Swinging Kool & The Gang are an American jazz, R&B, soul, funk and disco group, originally formed in Jersey City, New Jersey in 1964.[1] They went through several musical phases during the course of their recording career, starting out with a purist jazz sound, then becoming practitioners of R&B and funk, progressing to a smooth pop-funk ensemble, and in the post-millennium creating music with a modern, electro-pop sound.  They have sold over 70 million albums worldwide. SOURCE: