I.sounds blending harmoniously together, symphony, harmony, harmonious music (class.).
I. Prop.
A. In gen.: “ille sonus...qui acuta cum gravibus temperans varios aequabiliter concentus efficit,” Cic. Rep. 6, 18, 18: “concentum servare,” id. Fin. 4, 27, 75: “vocis lyraeque,” Ov. M. 11, 11: “avium,” Cic. Leg. 1, 7, 21; Verg. G. 1, 422 (quoted in Quint. 5, 9, 16); cf.: “et tepidum volucres concentibus aëra mulcent,” Ov. F. 1, 155: “tubarum ac cornuum,” Liv. 9, 41, 17; Quint. 1, 10, 14; cf. “signorum,” id. 9, 4, 11 (al. congestu, id. 10, 7, 16; “v. Spald., Wolf, and Zumpt, dub.): rauci,” Stat. Th. 6, 227.—
2. Meton., of a choir singing in harmony, Cic. de Or. 3, 80, 196.—
B. In partic., a concordant acclamation of people in a theatre, Plin. Pan. 2, 6; 46, 2.—
II. Trop., concord, agreement, harmony, unanimity (also class.): quā ex conjunctione naturae et quasi concentu atque consensu, quam συμπάθειαν Graeci vocant, etc., Cic. Div. 2, 14, 34; cf. “actionum,” id. Off. 1, 40, 145; and: “omnium doctrinarum,” id. de Or. 3, 6, 21: “virtutis,” Tac. G. 3: “omnium laudum,” Plin. Pan. 4, 6: nunc age, quid nostrum concentnm dividat audi, * Hor. Ep. 1, 14, 31.—Of the harmony of colors, Plin. 37, 6, 24, § 91; and of the blending of sweet odors, Plin. 12, 19, 42, § 86 (Sillig, conceptum).