Music 4,372 History and criticism 4,200 History 1,058 Composers 795 Criticism and interpretation 720 Social aspects 640 Popular music 619 more ... Manuscripts 569 Opera 458 Facsimiles 434 Jazz 428 Philosophy and aesthetics 379 Musicians 346 Operas 335 Librettos 307 Jazz musicians 284 Biography 263 Rock music 251 Music theory 230 Folk music 206 Rock musicians 202 Scores 200 Musicals 190 African Americans 187 Church music 181 Bibliography 177 Musical instruments 170 Singers 164 Psychological aspects 163 Political aspects 154 less ...