Ad libitum

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"As you like it", a score annotation that gives a level of freedom to the performer.

Etymology

Let's just appreciate the fact that this term refers to the preference of the performer of music. It's an interesting occurence, because within classical music the experience of the audience is considered the most important with occasional cult celebrations of virtuosos or maestros.

In popular music the situation is harder to interpret, because the on-stage pleasures of star-performers are often on a display. But we might also notice that in many cases their actual preferences don't matter and acting may complement music-making.

In tabletop gaming, spectating the game (audience experience) might be considered more of an exception and the pleasures of the performer of the game are commonly in focus. All games are intrinsically "ad libitum" (with exceptions of ones that developed professional culture, mainly in the genre of abstract board games).

Usage

The term might mean things like:

  • performer decides on the tempo and/or phrasing,
  • there is a place to perform an optional virtuosic cadenza ("solo"),
  • a part can be ommited,
  • performer chooses one of the few presented versions of the section.

Strictly speaking, ad libitum isn't applicable often in music games, because dealing with musical notation is relatively rare. The last definitions would be useful in modular composition approach which is a historically important way of realising open works of music.

See also

In controlled aleatoricism of Witold Lutosławski, "ad libitum" part was given simultaneously to multiple instruments (to realize independently), which yields a unique musical result intended by the composer.


Mark for clarification

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