Music in which composers leave certain elements unspecified, allowing them to be determined by the performers or other circumstances, is called:

The term that is being described in the description above is chance music or an aleatoric music in which the music that is being done by a composer of performed is being determined with the use of elements that are based on unpredictability or chance.

it looks like its all of the above. [.wpal1kojopfdpojfrfionrnif.knfdsnksjosjo]

explanation:

you have to combine all of your answers together to

.wpal1kojopfdpojfrfionrnif.knfdsnksjosjo

answer; ///approx///5,000 miles;