Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:4/4
K:G
['GABc dBgd', 'G4 DEFG ABcA BdBA GFED EGFA G2']  
X:1
L:1/8
M:4/4
K:G
 GABc dBgd | ecAF GFED | ECB,C A,2 c2 | BdBA GFED | GABc dBgd | ecAB GFED | ECB,C C2 Bd | 
 cAGF G4 :: DEFG ABcA | BdBA GFED | EGFA G2 ef | gedc d2 ef | gdBd ecAB | cBAG GFED | ECB,C C2 Bd | 
 cAGF G4 :|  