History and criticism 4,239 Music 3,995 History 1,160 Composers 801 Criticism and interpretation 753 Social aspects 653 Popular music 614 more ... Opera 450 Jazz 445 Instruction and study 412 Philosophy and aesthetics 387 Music theory 382 Musicians 339 Operas 329 Librettos 298 Analysis, appreciation 296 Jazz musicians 282 Biography 258 Rock music 254 Folk music 208 Musicals 199 Rock musicians 197 African Americans 191 Singing 186 Church music 183 Musical instruments 176 Psychological aspects 175 Singers 165 Bibliography 159 Music and literature 155 less ...