Complex sentence: Brian Robert Jackson (born October 11,1952) is an American keyboardist, flautist, singer, composer, and producer known for his collaborations with Gil Scott-Heron in the 1970s.
Split into simpler sentences: Brian Robert Jackson (born October 11,1952) is a keyboardist, flautist, singer, composer, and producer. He is best known for his collaborations with Gil Scott-Heron in the 1970s.