History and criticism 4,256 Music 4,046 History 1,162 Composers 801 Criticism and interpretation 753 Social aspects 654 Popular music 618 more ... Opera 455 Jazz 445 Instruction and study 413 Philosophy and aesthetics 387 Music theory 384 Musicians 347 Operas 330 Librettos 299 Analysis, appreciation 296 Jazz musicians 282 Biography 259 Rock music 255 Folk music 209 Musicals 199 Rock musicians 198 African Americans 192 Singing 186 Church music 185 Musical instruments 177 Psychological aspects 175 Singers 165 Bibliography 159 Music and literature 155 less ...