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 tunes, the sixth Notice in the scale (= series of notes) that begins on the Observe C, or even a list of notes determined by this note[4] The Roman form ?a? is found in most printed product, and consists of a little loop ha