Page:A Dictionary of Music and Musicians vol 1.djvu/30
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ACCIDENTALS.
ACCENTS.
- Illustration (cont.)
- (c) The Accent of Interrogation.
- Illustration
- (d) The Tonus Prophetiae.
- Illustration
ending on the reciting note; and differing, in this respect only, from the Tonus Lectionis.
- Illustration
- (e) The Tonus Epistolae, Accent for the Epistle. Monotonic except that the Accent of Interrogation is used when a question is asked.
- (f) The Tonus Evangelii, or Accent for the Gospel.
- Illustration
6. The Sarum use was in some parts of the service more varied than the Roman, as given above from Guidetti. But the general rules were not widely different, and, from a review of the whole subject, it may be stated briefly that there are some seven ecclesiastical accents, viz. (1) The monotonic; (2) The semitonic [Illustration] (3) The medial [Illustration]; (4) The accent of a final fourth [Illustration]; (5)The grave [Illustration]; of this there is a variation used in Rome, thus,
- Illustration
[T. H.]
ACCIACCATURA. (Ital. from acciacare, to crush, to pound; Ger. Zusammenschlag; Fr. Pincé etouffé.) A now nearly obsolete description of ornament, available only on keyed instruments, in which an essential note of a melody is struck at the same moment with the note immediately below it, the latter being instantly released, and the principal note sustained alone (Ex. 1). It is generally indicated by a small note with an oblique stroke across the stem (Ex. 2), or when used in chords by a line across the chord itself (Ex. 3).
- Illustration
Its use is now confined exclusively to the organ, where it is of great service in giving the effect of an accent, or sforzando, to either single notes or chords.
The term Acciacatura is now very generally applied to another closely allied form of ornament, the short appoggiatura (see that word).[F. T.]
ACCIDENTALS. The signs of chromatic alteration, employed in music to show that the notes to which they are applied have to be raised or lowered a semitone or a tone. They are five in number, the sharp (#) (Fr. dièse, Ger. Kreuz) and double sharp (x) (Fr. double-dièse, Ger.