Games for Music

Accompanist (role). Participant that plays music during the game but doesn’t have to follow the rules.
Ad libitum. "As you like it", a score annotation that gives a level of freedom to the performer.
Agenda. The most general aim the player wants to achieve within a game.
Aleatoricism. Using chance in music-making.
AMAPFALAP. As much as possible from as little as possible.
AP. Actual Play is a type of RPG media, but in board gaming, the abbreviation is used for a design issue: Analysis Paralysis
Aspect. Any quality of musical material.
Balance. Game is balanced when it's mechanics don't lead to the dominance of a single scenario.
Bartle types. Taxonomy of players by their playstyle preference in relation to others and the game.
BCG. Basic Conducting Gestures, a set of gestures that are often used in music games.
BGG. A common shorthand for Board Game Geek
Conductor (role). Participant that makes music without producing sounds directly.
Constellation. A line-up for a single performance of improvised music.
Constructor (role). Participant that doesn't influence music directly, but rearranges the objects in the playing space.
Co-optionality. A feature of a game — co-optional game may be played both cooperatively and competitively during a single playthrough.
Cue cards. Cards that can be shown by the Conductor (or Prompter) to Players to cue the direction of improvisation.
DAW. Digital Audio Workstation
Dealer. Another name for constructor, especially when operating on cards.
Dice. Throwable objects used for repeatable randomization of more than 2 states.
Dimension. An aspect applicable to a single sound and continuous.