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 new music, the sixth Observe in the size (= series of notes) that begins over the Observe C, or possibly a set of notes according to this note[4] The Roman type ⟨a⟩ is found in most printed materials, and includes a sma