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
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.
finale [I], final [F]—The final movement, sometimes explicitly titled thus
gigue, jig, giga, gigg—A lively dance (of English origin); often the finale of a Baroque suite. Compound meters exhibit both duple and triple meter rhythms.
polka—Lively central-European dance with Bohemian / Czech origins. Typically in 2/4.
quintet, quintette [F], quintett [G], quintetto [I]—an ensemble / work for 5 players, the typical examples being string quintet (with second viola or cello), piano quintet or woodwind quintet
waltz, valse, walzer, alla valse—a popular dance introduced in Vienna in the 1780s usually in 3/4 time. wiki
wind quintet, woodwind quintet, Quintetto per fiati [I], Quintette à vent [F], Bläserquintett [G], Quinteto de alientos [S]—ensemble or work for ensemble of five wind instruments, typically flute, oboe, clarinet, horn and bassoon. A standard chamber ensemble with variety of timbre as well as a homogeneous blend. wiki