Complex sentence: Sly and the Family Stone was an American band from San Francisco active from 1967 to 1983.The band was pivotal in the development of funk, soul, rock, and psychedelic music.
Split into simpler sentences: Sly and the Family Stone was an American band from San Francisco. Active from 1967 to 1983, the band was pivotal in the development of funk, soul, rock, and psychedelic music.