Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:2/4
K:G
['G>A Bd ed BG A>B', 'e>f ed']  
X:1
L:1/8
M:2/4
K:G
|: G>A Bd | ed BG | A>B cd | ed B/c/d | G>A Bd | ed BG | A>B cF | AG G2 :: gG fG | e>f ed | ed Bd | 
 e>f ed | gG fG | e>f ed | A>B cF | AG G2 :|  