Complex sentence: Other predecessor elements of grinding may be attributed to the 1987 film "Dirty Dancing", and the Lambada, a brief dance craze that featured grinding actions, as seen in the films "The Forbidden Dance" and "Lambada".
Split into simpler sentences: Other predecessor elements of grinding may be attributed to the 1987 film "Dirty Dancing". The Lambada was a dance craze that featured grinding actions, as seen in the films "The Forbidden Dance" and "Lambada".