Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:9/8
K:G
['gfg edc', 'ABA A2 B']  
X:1
L:1/8
M:9/8
K:G
 gfg edc BAG | gfg edB def | gfg edc Bdc | BAG GAG d2 B :: ABA A2 B G3 | ABA A2 B d2 B | 
 ABA A2 B G2 B | dBG GAG Bcd :|  