Theory of music & musicology 12 Music 8 Theory of music and musicology 6 Psychology 3 Christian spirituality & religious experience 2 Classical music (c 1750 to c 1830) 2 Educational: Music 2 Individual composers & musicians, specific bands & groups 2 Media studies 2 Music recording & reproduction 2 Teaching of a specific subject 2 Technology: general issues 2 The Arts 2 Acoustic and sound engineering 1 Age groups: children 1 Art music, orchestral and formal music 1 Composers and songwriters 1 Higher & further education, tertiary education 1 Higher education, tertiary education 1 Musicians, singers, bands and groups 1 Paintings and painting 1 Philosophy 1 Philosophy and theory of education 1 Philosophy: metaphysics and ontology 1 Research & information: general 1 The arts: general topics 1 Theory of art 1 ambisonics 1 eye-tracking 1 networked music performance 1