Music History and criticism 2,130 Manuscripts 946 Facsimiles 818 Social aspects 419 Philosophy and aesthetics 377 Scores 346 more ... History 336 African Americans 193 Bibliography 162 Psychological aspects 159 Criticism and interpretation 142 Composers 134 Instruction and study 130 Popular music 126 Musicians 117 Performance 98 Periodicals 92 Acoustics and physics 89 Music theory 88 Political aspects 80 Folk music 66 Social life and customs 64 Religious aspects 61 Musicology 60 Jews 59 Church music 58 Musical instruments 56 Symphonies 56 Jazz 54 less ...