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
lento, lent [F], lentement [F], avec lenteur [F]—slow (tempo)
movement, mouvement [F], movimento [I], Satz [G]—A generally self-contained, complete section or piece of music forming part of a large whole, typically separated from the other movements by silence and a break.
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
string quartet, Streichquartett [G], quatuor à cordes [F], quartetto d'archi [I], quartetto di cordi [I], cuarteto de cuerda [S], vonósnégyes [H]—ensemble or a work 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 | wiki
string quintet, quintette à cordes [F], quintetto d'archi [I], Streichquintett [G], quinteto de cuerdas [S]—ensemble (work) for 5 string players, the string quartet plus guest. The additional instrument might be a viola, cello or bass. The most common choices are sometimes explicitly named: Viola Quintet, Cello Quintet. Explore the string quintet | wiki
waltz, valse, walzer, alla valse—a popular dance introduced in Vienna in the 1780s usually in 3/4 time. wiki