A Cappella :: A cappella () 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..
A Cappella :: A cappella () A time indication, equivalent to alla breve..
Adiaphorist :: Adiaphorist (n.) One of the German Protestants who, with Melanchthon, held some opinions and ceremonies to be indifferent or nonessential, which Luther condemned as sinful or heretical..