ماخذ: Tarik O'Regan. The vocal quartets should be spatially separated from each other. The Ecstasies Above. String Quartet Parts. SSAATTBB.
ترجمه: طارق O'Regan. Ecstasies بالاتر. قطعات کوارتت زهی. نت موسیقی. SATB, String Quartet. SATB. QUARTET STR. طارق O'Regan.