Complex sentence: In the 1940s, the theatre began airing radio dramas on WAIR (now WPOL), and WSJS producing play for the Piedmont Festival and bringing professional productions from the Barter Theatre as well as Playmakers Repertory to Winston-Salem audiences.
Split into simpler sentences: In the 1940s, the theatre began airing radio dramas on WAIR (now WPOL), and WSJS. It also began bringing professional productions from the Barter Theatre as well as Playmakers Repertory to Winston-Salem audiences.