Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:6/8
K:D
['A2 G']  
X:1
L:1/8
M:6/8
K:D
 D | =F2 FGFE | =F3 D2 F/G/ | A2 G A2 G | A3 z2 A | dd=c_BAG | A3 =F2 F | EEE A2 A | D3 z2 |]  