Txo kev ntxhov siab |
Ib hom symmetrical fret raws li qhov qis-kawg chord (ib qho ploj zuj zus xya chord; yog li lub npe).
Qauv U. l. tuaj yeem sawv cev los ntawm peb hom, nyob ntawm 3 Ch. cov ntaub ntawv ntawm kev nthuav qhia cov khoom siv suab ntawm hom (cf. Ntau hom): chordal, melodic, pab pawg. Chord U. L. characterized los ntawm qhov sib lawv liag ntawm 4 chords (feem ntau yog tib hom hauv cov qauv), osn. tones rau-rykh tsim ib qho qis-kawg series. Rau melodic U.l. feem ntau melodic. tshwj xeeb txav. ib qho nplai tsim los ntawm kev faib kaum ob semitones ntawm ib qho octave rau hauv plaub qhov sib npaug thiab sib npaug hauv cov qauv (hauv semitones: 2 + 1, 2 + 1, 2 + 1, 2 + 1). Group U.l. tshwj xeeb los ntawm kev siv cov nplai tshwj xeeb U. l. nyob rau hauv ib qho kev sib xyaw, "diagonal" (kab rov tav-ntug) qhov ntev. Cov qauv ntawm U.l.:
NA Rimsky-Korsakov. "Sadko". Daim duab 2.
Yog Stravinsky. "Symphony ntawm Psalms." Ntu 1.
Zoo li lwm yam symmetrical frets, U. l. tuaj yeem ua raws nws qhov chaw. keeb (txo xya chord) raws li ib tug tonic nyob rau hauv nws dispersed (pib ntawm 2 daim duab ntawm "Sadko" los ntawm Rimsky-Korsakov) los yog tag nrho daim ntawv (saib lub snowstorm scene los ntawm "Kashchei lub Immortal" los ntawm Rimsky-Korsakov). Kev ua haujlwm ntawm tonic tuaj yeem yog (raws li tus qauv ntawm tus yuam sij ntawm hom loj-me) ib qho chaw. tone ("e" hauv qhov piv txwv los ntawm Stravinsky's "Symphony of Psalms") lossis chord ua rau nws (saib chord nrog lub suab nrov "a" hauv qhov piv txwv los ntawm Scriabin's 8th sonata, kem 728).
Vim qhov zoo sib xws ntawm cov qauv ntawm tsawg zaus plaub-tone thiab tritone ob-tone, qhov zoo sib xws ntawm cov qauv tsim rau lawv tau tshwm sim - U. l. thiab tritone. AW Scriabin. 8th piano sonata, tuav 5-8.
Lub sij hawm "U. l." tau thov los ntawm BL Yavorsky (txawm li cas los xij, Yavorsky tau suav tias yog hom nrog lub chaw nruab nrab hauv daim ntawv ntawm lub siab triad, thiab tsis yog lub siab xya chord). Saib "Rimsky-Korsakov's scale", Symmetric hom, Tritone hom, Modal atherosclerosis.
References: saib ntawm Art. Symmetrical frets.
Yu. N. Kholopov
