ACCOMPANIMENT, ACCOMPAGNAMENTO, ACCOMPAGNATURA, in Music, denotes the instruments which accompany a voice, in order to sustain it, as well as to make the music more full. The accompaniment is used in recitative, as well as in song; on the stage, as well as in the choir, &c. The ancients had likewise their accompaniments in the theatre; they had even different kinds of instruments to accompany the chorus, from those which accompanied the actors in the recitation. The
Accompa-
niment
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Accords.
The accompaniment, among the moderns, is frequently a different part or melody from the song it accompanies. It is disputed whether it was so among the ancients. It is generally alleged, that their accompaniments went no farther than the playing in octave, or in antiphony to the voice. The Abbé Fraguier, from a passage in Plato, pretends to prove, that they had actual symphony, or music in parts: but his arguments seem far from being conclusive.