Which artist is known for capturing the essence of his subjects in semi-abstracted works?

Theo Van Doesburg's image, illustrated in fig. 6.27, relates to this genre of music

A. Jazz B. Ragtime C. Experimental D. Classical E. Rhythm and Blues

The conductor's role is

A) to coordinate the ensemble's performance and interpret the music. B) to learn all about the music from various sources. C) to beat time. D) all of the above