Concerto A concerto (from the Italian: concerto, plural concerti or, often, the anglicised form concertos) as a musical work is a composition usually in three parts or movements, in which (usually) one solo instrument (for instance, a piano or violin) is accompanied by an orchestra
Fugue A composition, often for a keyboard instrument, in which several musical lines (or 'voices' - usually three or four) enter in succession in different ranges with the same theme, which is then extensively developed in further entries of the theme. The most famous composer of fugues was Johann Sebastian Bach (1685-1750).
Lament a grieving composition usually played at a funeral
Lebhaft A directive to perform a certain passage of a composition in a lively, quick, vivacious style.
Motet A motet is an unaccompanied choral composition with sacred lyrics; intended to be sung as part of a church service; originated in the 13th century. It is a multi-voice vocal genre, often secular in the Middle Ages but sacred or devotional thereafter.
Nocturne a musical composition that is written for the night
Scherzando A directive to perform a certain passage of a composition in a lively, playful, merry, animated manner.
Theme a melody that defines the rest of the musical composition