Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
['=c2 dc BGGB ABAG', 'f2 df']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 A3 G FGAB | =c2 dc BGGB | ABAG FAdg | fdec Addc | A3 D (3EFG AB | =c2 dc BGGB | ABAG FAde | 
 fdec Adde || f2 df e2 de | f2 df ec A2 | f2 df efde | fdec Adde | f2 df e2 de | f2 df ecA^G | 
 A2 (3Bcd ef (3gfe | afge d4 |]  