Yog tias koj twb nyiam cov lej Roman, feem ntau koj tuaj yeem xav txog kuv, III, thiab VI ua tonic, II thiab IV ua tus tseem ceeb, thiab V thiab VII ua tus tseem ceeb.
Dab tsi yog qhov tseem ceeb tshaj plaws?
Nyob hauv txoj kev xav suab paj nruag, ib qho chord predominant (kuj pre-dominant) yog ib qho chord uas ib txwm daws tau rau chord tseem ceeb. … Lub luag haujlwm tseem ceeb ntawm kev sib haum xeeb yog ib feem ntawm qhov tseem ceeb ntawm kev sib haum xeeb ntawm ntau yam haujlwm qub. Lub submediant (vi) tej zaum yuav suav hais tias yog ib tug predominant chord los yog ib tug tonic hloov.
Is III predominant?
Qhov tseeb yog qhov iii yog xav tias yog Dominant chord nyob rau hauv hom loj los ntawm qee tus kws tshawb fawb. Nws daws rau vi txawm tias nws tsis muaj qhov hloov pauv. Nws txoj kev nyiam yog mus rau vi. Keeb kwm, ib tug subdominant chord yuav tsum muaj 2nd 4th los yog 6th degree.
Tus lej Roman twg muaj lub luag haujlwm tonic?
Lub triad tsim los ntawm tonic daim ntawv, lub tonic chord, yog li qhov tseem ceeb tshaj plaws chord nyob rau hauv cov qauv ntawm cov suab paj nruag. Hauv kev txheeb xyuas tus lej Roman, lub tonic chord feem ntau yog cim los ntawm Roman tus lej "Kuv" yog tias nws loj thiab los ntawm "i" yog tias nws yog me.
Yuav ua li cas yog qhov tseem ceeb?
Lub triad ua rau ntawm daim ntawv tseem ceeb hu ua dominant chord. Cov chord no tau hais tias muaj kev ua haujlwm tseem ceeb, uas txhais tau hais tias nws tsim qhov tsis ruaj khov uas yuav tsum muaj lub tonic raudaws teeb meem. Dominant triads, xya chords, thiab cuaj chords feem ntau muaj cov haujlwm tseem ceeb.
