Biwako Hall Vocal Ensemble is a resident ensemble of Biwako Hall. It was established in March 1998 to serve as the core creative activities of the Biwako Hall Foundation. The members mainly perform Biwako Hall Vocal Ensemble regular concerts, in addition to being soloists in "Young People's Opera Theater" which is a repertory of the original series at Biwako Hall, and being soloists and a part of chorus for the Biwako Hall original opera productions conducted by the artistic director, Ryusuke Numajiri. The Ensemble also performs throughout Japan at cultural events.