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 ]   audio   plural A’s or As in Western songs, the sixth Take note in the scale (= number of notes) that starts about the Notice C, or maybe a set of notes dependant on this Take note?a? could be the third-most-typically utilised letter in English after ?e? and ?