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 ]   music   plural A’s or As in Western audio, the sixth Observe in the dimensions (= number of notes) that starts over the Take note C, or simply a set of notes according to this Take note?a? is the third-most-typically utilised letter in English immediately aft