A cikin kiɗa, triad saitin bayanin kula ne guda uku waɗanda za a iya tara su cikin kashi uku. Johannes Lippius ne ya ƙirƙira kalmar "harmonic triad" a cikin "Synopsis musicae novae" (1612).
Lokacin da aka tara su cikin uku, membobin triad, daga mafi ƙanƙanci sautin zuwa mafi girma, ana kiran su: Tushen na Uku - shi. lokaci lokaci sama da tushen kasancewa ƙarami na uku (uku semitones) ko babba na uku (hudu semitones) na biyar - tazarar sa sama da na uku shi ne ƙarami na uku ko babba na uku, don haka tazarar sa sama da tushen ta zama tazara ta biyar (shida semitones). , cikakke na biyar (bakwai semitones), ko ƙara ta biyar (takwas semitones).
Ana kiran irin waɗannan waƙoƙin a matsayin triadic. Wasu masanan na ƙarni na ashirin, musamman Howard Hanson da Carlton Gamer, sun faɗaɗa kalmar don komawa ga kowane haɗuwa na filaye guda uku, ba tare da la’akari da tazarar da ke tsakaninsu ba.
Kalmar da wasu masana masana suka yi amfani da ita don wannan ƙarin ra'ayi na gaba ɗaya shine "trichord".
Wasu, musamman Allen Forte, suna amfani da kalmar don komawa ga haɗuwa da alama an tattara wasu tazara, kamar yadda yake cikin “kwatakwata triad”.Forte, Allen, (1973) Tsarin Kiɗan Atonal (New Haven da London: Yale University Press): ISBN 0-300-02120-8 A cikin ƙarshen Renaissance, kiɗan fasahar yammacin yamma ya canza daga mafi “tsaye” tsarin sabawa zuwa ga ci gaban chord-ci gaban da ke buƙatar ƙarin tsarin “tsaye”, don haka dogaro da ƙarfi akan triad azaman tushen ginin haɗin gwiwa na aiki. .
Tushen sautin triad, tare da matakin digiri sikelin wanda yayi daidai, da farko ƙayyade aikin triad da aka bayar.
Na biyu, aikin triad yana ƙayyade ingancinsa: babba, ƙarami, raguwa ko ƙarawa. Ana samun uku daga cikin waɗannan nau'ikan triad huɗu a cikin ma'aunin Manyan (ko diatonic).
Ni Joost Nusselder, wanda ya kafa Neaera kuma ɗan kasuwan abun ciki, uba, kuma ina son gwada sabbin kayan aiki tare da guitar a zuciyar sha'awara, kuma tare da ƙungiyara, Ina ƙirƙirar labaran labarai masu zurfi tun daga 2020. don taimakawa masu karatu masu aminci tare da rikodi da tukwici na guitar.
