This document summarizes the history of several music magazines, including their founding year, genre of music covered, publication frequency, and parent institution. Some of the magazines discussed are Rolling Stone, founded in 1967 and focused on popular music; Smash Hits, founded in 1978 and focused on pop music; and Guitar World, founded in 1980 and focused on guitar music. The magazines vary in their frequency of publication, from biweekly to monthly or weekly issues.