Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:2/2
K:D
['AFDF AFDF', 'fdfd fagf']  
X:1
L:1/8
M:2/2
K:D
 (FG) | AFDF AFDF | A2 d2 d2 (cB) | AFDF AFDF | G2 E2 E2 (FG) | AFDF AFDF | A2 d2 d2 (de) | 
 fafd (3efg ec | d2 d2 d2 :: (de) | fdfd fagf | edcd efge | fdfd fagf | edcB A2 (de) | fede fagf | 
 ecAc efge | fafd (3efg ec | d2 d2 d2 :|  