a cap'ella
[It.] (Mus.) In church or chapel style;—said of compositions sung in the old church style, without instrumental accompaniment; as, a mass a capella, i. e., a mass purely vocal.
[It.] (Mus.) In church or chapel style;—said of compositions sung in the old church style, without instrumental accompaniment; as, a mass a capella, i. e., a mass purely vocal.