andante—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]—"Classical Music" for a small ensemble, generally 8 or fewer players with a canonical emphasis on 3-6 players
divertimento [I], divertissement [F]—amusement, diversion, entertainment, even table music; Typically, a suite of movements (often more than 4) often intended for diversion and pleasure of a lighthearted nature suitable for social occasions. Typically implies a smaller chamber ensemble. The name was common in 18th century for a variety of music, some of which was more serious and profound than its title would suggest. The French divertissement can apply to an entr'acte: dances and airs from other acts.
presto—very fast, more so than allegro.
quartet, quatuor [F], quartett [G], quartetto [I]—ensemble or work for four players the most important examples being the string quartet and the piano quartet
string quartet, Streichquartett [G], quatuor à cordes [F], quartetto d'archi [I]—music for 2 violns, viola and cello as well as the ensemble itself; one of the essential genres / forms / ensembles of chamber music
with thinking heart and feeling mind, I'll embody your muse, thy soul divine