1.11 allegro ============ ES: allegro, rápido, I: allegro, F: allegro, gaiement, D: Allegro, Schnell, Fröhlich, Lustig, NL: allegro, DK: allegro, S: allegro, FI: allegro, nopeasti. [Italian: âcheerfulâ] Quick tempo. Also used as a title for pieces in a quick tempo, especially the first and last movements of a sonata. See also ........ sonata.