Complex sentence: In 1979, he appeared in the documentary "Steppin'Out" directed by Lyndall Hobbs, which explored the fashionable nightclubs and the trendy pop culture scenes that were famous in London in the late 70's.
Split into simpler sentences: In 1979, he appeared in the documentary "Steppin'Out" directed by Lyndall Hobbs. The short documentary film explored the fashionable nightclubs and the trendy pop culture scenes that were famous in London in the late 70's.