Pub dawb |

Fabkis becarre, lit. - square B; lat. nyob rau hauv lub quadratum

Ib lub cim ntawm kev tsis kam hloov ntawm ib lossis lwm qhov kev ntsuas ntawm qhov ntsuas. Bekar txhais tau tias nqis los ntawm ib lub semitone tom qab ib tug ntse thiab tsa ib tug semitone tom qab ib tug tiaj tus, nrog rau kev nqis ib kauj ruam tom qab ib tug ob chav ntse thiab tsa ib kauj ruam tom qab ib tug ob chav ca.

Kev rov qab mus rau qhov kev hloov pauv yooj yim tom qab ob npaug (ob npaug-ntse, ob-ntev) yog tam sim no qhia los ntawm ib qho ntse thiab ib lub tiaj tus, raws li (saib Cov tsiaj ntawv suab paj nruag).