Complex sentence: Side A included tracks produced by the Pet Shop Boys'longtime collaborator Andy Richards, Paul O'Duffy, the late Dan Hartman, and three of these titles were also mixed by the Pet Shop Boys' co-producer Julian Mendelsohn.
Split into simpler sentences: Side A included tracks produced by the Pet Shop Boys'longtime collaborator Andy Richards, Paul O'Duffy and the late Dan Hartman. Three of these titles were also mixed by the Pet Shop Boys' co-producer Julian Mendelsohn.