History and criticism 4,206 Music 3,886 History 1,125 Composers 798 Criticism and interpretation 753 Social aspects 644 Popular music 606 more ... Jazz 450 Opera 450 Instruction and study 409 Philosophy and aesthetics 382 Music theory 380 Musicians 332 Operas 328 Librettos 296 Analysis, appreciation 295 Jazz musicians 280 Biography 259 Rock music 253 Folk music 205 Rock musicians 198 Musicals 195 African Americans 181 Church music 180 Singing 179 Musical instruments 168 Psychological aspects 168 Singers 163 Political aspects 154 Bibliography 149 less ...