Onye na-achị |

Ọkachamara (site na Latin sub - n'okpuru ma na-achị; French sousdominante, German Subdominante, Unterdominante) - aha nke IV ogo nke ọnụ ọgụgụ; na ozizi nke nkwekọ ka a na-akpọkwa. Ụkọ ndị e wuru na nzọụkwụ a, yana ọrụ na-ejikọta ụdọ IV, II, obere II, VI nzọụkwụ. A na-egosi C. site na leta S (ihe ịrịba ama a, dị ka D na T, bụ X. Riemann tụpụtara ya). Uru nke S. chords na tonal-functional system nke nkwekọ na-ekpebi site na ọdịdị nke mmekọrịta ha na tonic chord (T). Ụda Main S. adịghị n'ime tonic ọ bụla. triads, ma ọ bụ n'usoro nkwuputa site na tonic. ụda iwe. Isi ụda T bụ akụkụ nke C. chord yana n'usoro nkwuputa-ọhụrụ site na ogo IV nke ọnụ ọgụgụ. Dị ka Riemann si kwuo, mmegharị nke nkwekọ (site na T) na C. triad yiri mgbanwe n'etiti ike ndọda (ya mere, C. gravitates na-adịchaghị mma na T karịa D), nke na-eme ka ike a dịkwuo ike; N'ihi ya nghọta nke S. dị ka "ụkọ nke esemokwu" (Riemann). Okwu mmeghe nke D chord na-esote na-eweghachi ịdị nkọ nke mmasị na T ma si otú a na-ewusi ụda olu ike. Ntugharị S - T, nke na-enweghị àgwà nke nlọghachi site na ihe a na-enweta na mmepụta ihe, enweghị mmetụta siri ike nke izu oke nke harmonics. mmepe, "ngwụcha", dị ka ntụgharị D - T (lee Plagal cadenza). Echiche nke S. na okwu kwekọrọ bụ JF Rameau ("The New System of Music Theory", 1726, ch. 7), onye sụgharịrị S, D na T dịka ntọala atọ nke ọnọdụ (mode): " atọ isi ụda, ka-rye etolite a kwekọrọ, nke ha na-ahụ mmalite nke a ọtọ tiori nke harmonics. tonality.

References: Rameau J. Ph., Nouveau systime de musique théorique…, P., 1726. Leekwa ọkụ. n'okpuru isiokwu Harmony, Harmonic function, Sound System, Major Minor, Tonality.

Yu. N. Kholopov