Theory of music & musicology 20 Music 19 Individual composers & musicians, specific bands & groups 18 History: specific events & topics 5 Music: styles & genres 4 Musical scores, lyrics & libretti 4 The arts 4 Classical music (c 1750 to c 1830) 3 Educational: Music 3 History of the Americas 3 Humanities 3 Music industry 3 Social & cultural history 3 Sociology: work & labour 3 Asian history 2 Higher & further education, tertiary education 2 History of art / art & design styles 2 History of science 2 Language 2 Light orchestral & big band music 2 Literature: history & criticism 2 Media studies 2 Modern history to 20th century: c 1700 to c 1900 2 Musical instruments & instrumental ensembles 2 Philosophy: aesthetics 2 Sacred & religious music 2 Social & cultural anthropology, ethnography 2 Sociology & anthropology 2 Techniques of music / music tutorials 2 World music 2