Oṣu Kẹwa |

itali. ottotto, French octette tabi octuor, Eng. octet, lati lat. Oṣu Kẹwa - mẹjọ

1) Tiwqn fun 8 adashe instrumentalists, kere igba fun 8 akọrin. ibo. Wok. O. ni a maa n kọ pẹlu decomp accompaniment. awọn akojọpọ – lati fp. soke si ẹgbẹ orin gbogbo (apẹẹrẹ - "Orin ti Awọn ẹmi lori Omi" ("Gesang der Geister über den Wassern") nipasẹ Schubert si ọrọ nipasẹ JW Goethe fun awọn ohùn ọkunrin 8, violin 2, 2 cellos ati baasi meji, op .167). Apapọ Op. fun 8 irinse won da ni 2nd idaji. 18th orundun, laarin awọn onkọwe - J. Haydn, WA Mozart, odo Beethoven (op. 103, atejade ni 1830); sibẹsibẹ, awọn ọja wọnyi ni oriṣi wọn wa nitosi si divertissement ati serenade. Orukọ O. wa ni lilo nikan ni ọdun 19th. Ọpa O. 19-20 awọn ọgọrun ọdun, gẹgẹbi ofin, jẹ awọn iṣẹ-iyẹwu pupọ-pupọ. ni irisi ọmọ sonata. Okun. O. ni tiwqn jẹ maa n aami to a ė quartet; awọn igbehin, sibẹsibẹ, da lori atako ti meji quartet akopo, nigba ti ni awọn okun. Awọn ohun elo O. ti wa ni idapo larọwọto (O. op. 20 nipasẹ Mendelssohn, op. 11 nipasẹ Shostakovich). Ẹmi naa tun pade. O. (Stravinsky's Octuor fun fèrè, clarinet, 2 bassoons, 2 ipè, 2 trombones). O. ti akopọ ti o dapọ ni o wọpọ julọ (Schubert - O. op. 166 fun 2 violin, viola, cello, double bass, clarinet, horn, bassoon; Hindemith - O. fun clarinet, bassoon, horn, violin, 2 violas, cello ati baasi meji).

2) Apejọ ti 8 soloists-instrumentalists, ti a pinnu fun iṣẹ iṣelọpọ. ninu oriṣi O. (wo iye 1). Gẹgẹbi awọn ẹgbẹ iduroṣinṣin ti awọn oṣere, O. jẹ toje ati pe a maa n ṣajọ ni pataki fun iṣẹ kan. aroko ti.