Theory Music 53 Missions 10 History and criticism 8 Instruction and study 7 Composition (Music) 6 Philosophy and aesthetics 5 Early works to 1800 4 Harmony 4 Musical analysis 4 History 3 Acoustics and physics 2 Christianity and other religions 2 Economics 2 Examinations, questions, etc 2 Music appreciation 2 Musical notation 2 Tonality 2 Aesthetics, Medieval 1 BUSINESS & ECONOMICS 1 Biblical teaching 1 Christianity 1 Christianity and culture 1 Christianity and international affairs 1 Church music 1 Economic development 1 Embellishment (Music) 1 Essence, genius, nature 1 Handbooks, manuals, etc 1 Harmonics (Music) 1