allegro [I]—fast, lively tempo. From the Italian word for cheerful or gay.
andante [I]—moderately slow tempo (e.g. walking). Faster than adagio but slower than allegretto
chamber music, Kammermusik [G], musique de chambre [F], musica da camera [I], musica cameralis [L]—"Classical Music" for a small ensemble, generally 8 or fewer players with a canonical emphasis on 3-6 players. explore
con [I,S]—with
et [Fr]—and
grazioso [I], con grazia, gratioso, graziös [G], Mit Grazie—graceful, gracefully; easy
mesto—sad, mournful, possibly dour
moto, con moto, di moto—motion, with motion. Somewhat more lively than its context would suggest, e.g. "andante con moto", a little more lively than andante
quartet, quatuor [F], quartett [G], quartetto [I], cuarteto [S]—ensemble or work for four players the most important examples being the string quartet and the piano quartet
scherzo—lively, brisk, typically in a triple meter; usually a three-part form with central, contrasting trio
string quartet, Streichquartett [G], quatuor à cordes [F], quartetto d'archi [I], quartetto di cordi [I], cuarteto de cuerda [S], vonósnégyes [H]—an ensemble as well as music written for that ensemble comprising 2 violins, viola and cello. This is one of the essential genres / forms / ensembles of chamber music and arguably a critical "core" of "classical" music. Explore the string quartet.