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 ]   tunes   plural A’s or As in Western tunes, the sixth Notice in the scale (= number of notes) that starts around the Take note C, or even a list of notes determined by this noteWhen the ancient Greeks adopted the alphabet, they'd no use for just a letter symbo