aA bA cA dA eA fA gA hA iA jA kA lA mA nA oA pA qA rA sA tA uA vA wA xA yA zA[ C/U ] tunes plural A’s or As in Western music, the sixth note in the dimensions (= number of notes) that starts around the Take note C, or perhaps a list of notes depending on this Take note?a? would be the 3rd-most-usually used letter in English following ?e? an