This document summarizes four major music magazine institutions in the UK: Bauer Media Group, IPC Media, EMAP, and Future PLC. It describes when each company was established, the types of magazines they produce, whether those magazines target niche audiences or mainstream audiences, and their overall success and reach. The document concludes by stating that Bauer Media Group would be the best publisher for a new pop music magazine due to their large audience reach and history of successful pop music magazines.