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 (= number of notes) that begins on the Observe C, or a set of notes based on this Observe[four] The Roman sort ?a? is present in most printed substance, and contains a small loop with an