appassionato, passionato, passionné [F], avec passion, passionnément—passionate; ardent
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
finale [I], final [F]—The final movement, sometimes explicitly titled thus
fugue, fuga, fuge [G], fuguette, fugen [G,pl]—a contrapuntal procedure (form) involving a musical subject (theme) that is successively imitated by multiple overlapping voices. There is a vast canon of rules (concepts) for creating elaborate and diverse fugues with an infinite variety of character based on fairly specific parameters. Fugues (or partial fugato) are found throughout classical music from the late Renaissance to the present.
lento, lent [F], lentement [F], avec lenteur [F]—slow (tempo)
passacaglia, passacaille [F], pasacalle [S]—A variation form based on a recurring bass line or chord progression closely related to the chaconne. Of Spanish origin first appearing in the early 17th century. Some generalizations suggest a grave character, a minor key and a triple meter. wiki
prelude, prélude, präludium [G], präludien [G, pl], praeludium, preludio—a movement preceding another almost by way of introduction: to let listeners and players acclimate, often to prepare for greater demands ahead
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
rondo—sectional movement form featuring a recurring refrain between contrasting episodes in a variety of plans, a typical one being ABACABA (A is the refrain; B and C are episodes). Often used for finales.
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]—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