Complex sentence: After working with Hampton as a writer, arranger, and trumpeter, he left in 1946 to set up the Joe Morris Orchestra, which featured, among others, Johnny Griffin, Elmo Hope, Percy Heath and Philly Joe Jones.
Split into simpler sentences: After working with Hampton as a writer, arranger, and trumpeter, he left in 1946 to set up the Joe Morris Orchestra. This featured, among others, Johnny Griffin, Elmo Hope, Percy Heath and Philly Joe Jones.