Akademik

concert
n. & v.
—n.
1 a musical performance of usu. several separate compositions.
2 agreement, accordance, harmony.
3 a combination of voices or sounds.
—v.tr. arrange (by mutual agreement or coordination).
Phrases and idioms:
concert-goer a person who often goes to concerts. concert grand the largest size of grand piano, used for concerts. concert-master esp. US the leading first-violin player in some orchestras. concert overture Mus. a piece like an overture but intended for independent performance. concert performance Mus. a performance (of an opera etc.) without scenery, costumes, or action. concert pitch
1 Mus. the pitch internationally agreed in 1960 whereby the A above middle C = 440 Hz.
2 a state of unusual readiness, efficiency, and keenness (for action etc.).
in concert
1 (often foll. by with) acting jointly and accordantly.
2 (predic.) (of a musician) in a performance.
Etymology: F concert (n.), concerter (v.) f. It. concertare harmonize

Useful english dictionary. 2012.