Question: Jason Eckardt, is an American composer, he began his musical life playing guitar in heavy metal and jazz bands and abruptly moved to composing after discovering the music of Anton Webern, was an Austrian composer and conductor, and was at the core among those within, and more peripheral to the circle of what?
Sentence (from "Music of Baltimore"): The music of Baltimore, the largest city in Maryland, can be documented as far back as 1784, and the city has become a regional center for Western classical music and jazz.
Relevant evidence: No