Complex sentence: They developed an instant friendship and, due to their mutual love of dancing, decided on the formation of their own double act and, as Phil and Peter Elliott, they successfully toured variety theatres as "The Debonair Dancers-Four Educated Feet".
Split into simpler sentences: They developed an instant friendship and, due to their mutual love of dancing, decided on the formation of their own double act. As Phil and Peter Elliott, they successfully toured variety theatres as "The Debonair Dancers-Four Educated Feet".