Which composer was commissioned by NASA to create a work incorporating sounds of the planets recorded by the Voyager mission on its journey into deep space?

In performance, syncopation is created

A) by using rhythmic motives. B) by accenting a tone on a normally weak beat. C) by using a variety of rhythmic patterns. D) by accelerating the tempo.

In her self-portrait, the artist Ilka Gedö used pencil and varied the ________ in order to suggest texture, create emphasis, and to produce darker values.

A. pressure B. color C. value D. tooth