1.80 decrescendo ================ ES: decrescendo, I: decrescendo, D: Decrescendo, leiser werden, NL: decrescendo, DK: decrescendo, S: decrescendo, FI: decresendo, hiljentyen. Decreasing tone volume. Indicated by a leftwards opening horizontal wedge (hairpin) or the abbreviation decresc. [image src="" alt="[image of music]" text="image of music" ] See also ........ crescendo, diminuendo, hairpin.