How to write Compound and Complex sentences with proper punctuation

Students will learn to command the following sentences types and their variations: (CD) a) Harry wrote the music, and John performed it. b) Harry wrote the music; John performed it. c) Harry wrote the music; consequently, John performed it. (CX) a) John performed the music after Harry composed it. b) After Harry composed the music, John performed it. c) John performed the music which Harry wrote. d) John, who is a pianist, performed Harry's concerto.