Music 231 Música 198 History and criticism 173 History 65 Historia 50 Popular music 48 Historia y crítica 47 Mais ... Instruction and study 44 Música popular 33 Social aspects 31 Criticism and interpretation 28 Rock music 25 Biografía 23 Folk music 23 Philosophy and aesthetics 23 Opera 20 Musicians 19 Rock musicians 18 Composers 16 Political aspects 14 Instrucción y estudio 12 Music therapy 12 General 11 Motion picture music 11 Piano 11 Enseñanza 10 Flamenco music 10 Músicos de rock 10 Terapia 10 Motion pictures and music 9 menos ...