Ƙwaƙwalwa ta bakwai

Daga cikin kundila, na bakwai tsirkiya an dauke shi mafi mashahuri. Ko da wane irin nau'i ne, lambobi na bakwai suna jin rashin kwanciyar hankali, saboda sun ƙunshi dissonances . Don gina ɗaya daga cikinsu, zaka iya ƙara na uku zuwa triad.

In jazz , Ƙwaƙwalwar ƙira ta bakwai sune tushen motsin jituwa.

Kimanin mawaƙa na bakwai

Mawaƙi na bakwai shine a tsirkiya na sautuka 4: firamare, na uku, na biyar da na bakwai. Babban sigar sa ya ƙunshi sanya sautuna huɗu cikin kashi uku. Matsanancin sauti guda biyu na maɗaukaki na bakwai suna cikin tazara - na bakwai, wanda aka raba zuwa babba ko ƙarami. Misali, akwai:

1. Babban mawaƙa na bakwai - tare da babban na bakwai daidai da sautunan 5.5.
2. Ƙananan (raguwa) na bakwai - tare da ƙarami na bakwai na sautuna 5.

Manufar maɗaukaki na bakwai shine don sanya rakiyar ta fi rikitarwa da ban sha'awa.

Nau'o'in ƙira na bakwai

Ka'idar kiɗa ta nuna yuwuwar gina ƙididdigewa na 16 na bakwai. Amma ba duka ba ne ake amfani da su a aikace. Manyan dabi'u da ƙananan ya ƙunshi maɗaukaki na bakwai 4:

1. Manyan - daga ƙananan sautuna 3 ana samun babban triad. Ire-irensa sune manya manya da kanana manya cakulan .
2. Ƙananan hade 3 ne ƙananan ƙananan sautuna. An raba shi zuwa ƙanana da babba ƙananan cakulan .
3. Ƙarfafa - an kafa shi daga ƙararrakin triad.
4. Ƙananan gabatarwa, ragi-raguwa, raguwar ƙaddamarwa na bakwai - an kafa shi daga raguwar triad, wanda aka samo ta da ƙananan sautuna uku. Bambanci tsakanin ƙaramin gabatarwa da raguwa shine na uku: a cikin ƙarami tsirkiya a saman yana da girma, kuma a cikin ragi yana da ƙananan.

Ƙaƙwalwar ƙararrawa ta bakwai ko da yaushe babban maɗaukaki ne, kuma ragi-raguwa, ko ƙaramar mawaƙin gabatarwa, koyaushe ƙarami ne.

masu jituwa ƙananan kuma manyan sun ƙunshi maɗaukaki na bakwai na bakwai, waƙoƙin waƙa - 7: ba shi da raguwa da manyan maɗaukaki na bakwai.

Sanarwa da yatsa

Mawaƙi na bakwai ana nuna shi da lamba 7. Ƙaƙwalwar quintext ana nuna shi da 6/5, kashi na uku kwata 4/3, na biyu kuma shine 2. Babbar babbar mawaƙa ta bakwai an rubuta Maj. ƙananan Chord is m7, the semidiminished one is m7b5, the deminished one is dim/o.

Wannan shine yadda ake nuna maƙallan maɗaukaki na bakwai akan sandar.

Ƙwaƙwalwar ƙira ta bakwai da aka gina akan matakan damuwa

Matakin da mawaƙin na bakwai ya fara ba shi sunansa:

1. Mafi rinjayen maɗaukaki na bakwai shine ya fi kowa a tsakanin sautuna 4. Yana cikin manyan nau'ikan kuma an gina shi akan 5th yanayin matakin.
2. Ƙananan gabatarwa: wannan shine wani suna don raguwa na bakwai, wanda aka gina kawai a cikin manyan akan mataki na 7, amma gaba ɗaya - a mataki na 2nd.

misalan

Ga ƙudurin mawaƙa na shida:

Rokon

Ƙa'idar ta bakwai tana da roko guda 3:

• quintextaccord;
• kwata kwata na uku;
• igiya ta biyu.

Juyawa yana faruwa lokacin da sautin ƙasa ya motsa sama da octave ɗaya. Koyaushe yana ƙunshe da ƙarami ko babba. A cikin quintext chord an sanya shi a saman, a cikin kwata na uku na uku yana tsakiyar, kuma a cikin maɗaukaki na biyu yana a kasa.

Girgawa sama

Mawaƙi na bakwai sautin huɗu ne, wanda aka samo shi daga sautuna 3 da na uku. Akwai nau'ikan mawaƙa na bakwai guda 16. Suna sauti m saboda da dissonance abun ciki . Hanya mafi sauƙi don ƙirƙirar maɗaukaki na bakwai shine ƙara sauti na uku zuwa 3.

Bidiyo don bayyanawa: