Complex sentence: In medieval Paris, Clopin, an old gypsy beggar, sings of the bells of the Cathedral of Notre Dame ("The Bells of Notre Dame"), and about how the bellringer was adopted by Claude Frollo.
Split into simpler sentences: In medieval Paris, Clopin, an old gypsy beggar, sings of the bells of Notre Dame ("The Bells of Notre Dame"). He speaks about how the bellringer was adopted by Claude Frollo.