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 Take note in the scale (= series of notes) that begins within the Notice C, or possibly a set of notes based upon this Be aware ⟨a&r