CMJ Holdings, Corp. is a music events/publishing company which hosts an annual festival in New York City, the CMJ Music Marathon, as well as a weekly magazine of and for the music industry and college radio stations in the United States and Canada. It publishes top 30 lists sent by stations which subscribe at a cost of a few hundred dollars a year. It is also sent to record companies and their public relations and publicity representatives as well as record stores. CMJ also formerly published CMJ New Music Monthly, which was a magazine with interviews, reviews, and special features. Each magazine came with a mix CD of 15–24 songs by well-established bands, unsigned bands and everything in between.