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 songs, the sixth Take note in the size (= number of notes) that commences to the Observe C, or a set of notes dependant on this ObserveWhen The traditional Greeks adopted the alphabet, they had no use for the letter symboli