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 Notice in the dimensions (= number of notes) that begins on the Take note C, or possibly a list of notes based upon this Notice A is usua