Complex sentence: He also covers music for the Herald's entertainment section, is a regular contributor to Revolver (magazine) and has written for Boston magazine, Boston's Weekly Dig, Scratch (magazine) and Skiing magazine.
Split into simpler sentences: He also covers music for the Herald's entertainment section and is a regular contributor to Revolver (magazine). He has also written for Boston magazine, Boston's Weekly Dig, Scratch (magazine) and Skiing magazine.