Complex sentence: They also played across the road in the Royal Hotel, at all-night parties in Peggy's large house in Kenilworth Square in Rathgar, and in John Molloy's flat at Ely Place.
Split into simpler sentences: They also played across the road in the Royal Hotel. The group also played at all-night parties in Peggy's large house in Kenilworth Square in Rathgar, and in John Molloy's flat at Ely Place.