Mbelata iwe ọkụ |

Ụdị nhụsianya symmetrical dabere na ụda olu dị ala (obere ụda nke asaa; ya mere aha ahụ).

Nhazi U.l. enwere ike ịnọchite anya n'ụdị atọ, dabere na 3 Ch. ụdị ngosi nke ihe ụda nke ọnọdụ (cf. Ọnụ ọgụgụ dị elu): chordal, melodic, otu. Chord U.l. ji usoro nke 4 chords mara (na-abụkarị otu ụdị na nhazi), osn. ụda to-rykh na-etolite usoro dị ala. Maka egwu egwu U.l. na-abụkarị abụ olu ụtọ. kpọmkwem ije. ọnụ ọgụgụ nke e guzobere site n'ikewa semitones iri na abụọ nke octave n'ime akụkụ anọ hà nhata na otu na nhazi (na semitones: 2+1, 2+1, 2+1, 2+1). Otu U.l. mara site na iji ọnụ ọgụgụ dị iche iche U.l. n'akụkụ agwakọta, “diagonal” (nkewa na kwụ ọtọ). Ihe atụ nke U.l.:

Na Rimsky-Korsakov. "Sadko". Foto nke 2.

Ọ BỤRỤ na Stravinsky. "Symphony nke Abụ Ọma". Akụkụ 1.

Dị ka ndị ọzọ symmetrical frets, U.l. nwere ike irubere ya isi. mmewere (belata nke asaa chord) dị ka tonic na ya gbasasịrị (mmalite nke abụọ foto nke "Sadko" site Rimsky-Korsakov) ma ọ bụ n'ụdị zuru ezu (lee snowstorm idaha si "Kashchei na-anwụ anwụ" site Rimsky-Korsakov). Ọrụ nke tonic nwere ike ịbụ (dị ka ihe nlereanya nke igodo nke ụdị isi-obere) otu etiti. ụda (“e” n’ihe atụ sitere na “Symphony of Psalms” nke Stravinsky) ma ọ bụ ụdọ e wuru na ya (lee ụda olu nwere ụda olu “a” n’ihe atụ sitere na sonata nke asatọ Scriabin, kọlụm 2).

N'ihi myirịta nhazi nke obere ụda anọ na tritone ụda abụọ, a na-ekpughe myirịta nke ụdịdị ndị e wuru na ha - U.l. na tritone. AH Scriabin. 8th piano sonata, mmanya 5-8.

Okwu ahụ bụ "U. l." BL Yavorsky tụrụ aro (agbanyeghị, Yavorsky kwuru ya na ọnọdụ nwere etiti n'ụdị uche triad, ọ bụghịkwa uche nke asaa). Hụ “ọnụ ọgụgụ Rimsky-Korsakov”, ụdịdị Symmetric, Tritone mode, Modal rhythm.

References: hụ na Art. Symmetrical frets.

Yu. N. Kholopov