Nachtmusik
absolute music
adaptation
air varie
aleatory
aleatory music
arrangement
article
causerie
chamber music
chamber orchestra
composition
descant
discourse
discussion
disquisition
dissertation
electronic music
essay
examination
excursus
exercise
exposition
feature
first approach
harmonization
homily
incidental music
instrumental music
introductory study
invention
lucubration
memoir
monograph
morceau
nocturne
note
opus
orchestration
outline
pandect
paper
paragraph
piece
preliminary study
production
program music
prolegomenon
research paper
ricercar