Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
Q:1/2=76
M:2/2
K:G
['dc BcAB GBdc Bd g2', 'fg a2 ab afdf g2 b2']  
X:1
L:1/8
Q:1/2=76
M:2/2
K:G
 dc | BcAB GBdc | Bd g2 g2 gf | efed cdcB | ABAG F2 dc | BcAB GBdc | Bd g2 gabg | fgec BcAF | 
 G2 B2 G2 :: fg | a2 ab afdf | g2 b2 g2 gf | efed cdcB | ABAG F2 fg | a2 ab afdf | g2 b2 g3 f | 
 egec BcAF | G2 B2 G2 :|  