Magazines and newspapers are good resources for reviews, interviews, editorials and features, and can be used to supplement academic books and journal articles.
Note that popular magazines are not peer-reviewed, nor considered as academic sources.
Rock's back pages is a specialist resource, covering all genres of popular music from the 1950s to the present, including publications such as Billboard, Folk Roots, Jazzwise, Melody Maker, MOJO, Rolling Stone and Trouser Press.
Music Periodicals Database also includes popular music magazines such as
Business Source Complete includes:
Websites and blogs