Question: English conductor Dale Clevenger was a member of Leopold Stokowski's American Symphony Orchestra and the Symphony of the Air directed by who?
Sentence (from "Adam Schoenberg"): Schoenberg was the 2010-2012 guest composer for the Aspen Music Festival, the 2012-2013 composer-in-residence for the Kansas City Symphony, the 2013-2014 composer-in-residence for the Lexington Philharmonic, and the 2015-2017 composer-in-residence for the Fort Worth Symphony.
Relevant evidence: No