Bloomsbury (Continuum) Encyclopedia of Popular Music of the WorldGood for researching popular music from America and around the world
v.1 Media, Industry, & Society -- Look up social phenomena, such as death, gender, record collecting
v.2 Performance & Production -- Look up names of performance techniques, ensemble types, production roles, equipment, instruments, and harmony, melody, and rhythm terminology
v.3-7 Locations -- Look up names of countries, regions, and cities
v.8-11 Genres -- Look up names of genres/styles