Having more than one voice. Opp. is monophonic . The ability to notate polyphonic music was one of the significant discoveries of medieval composition. Use of several keys at once, a practice common in the expanded tonalities of the 20th century. An instrumental opening movement, often improvisational in character, that precedes a fugue or, sometimes, a group of movements.
Chorale preludes are organ works based on Protestant chorales.
Faster, even, than presto . Jazz from the 1940s and 50s, where the goal was to renew and expand the orchestral jazz tradition.