Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:3/8
K:D
['A def fed egg g3 g fed', 'g/4f/4e/4d/4 dA g/4f/4e/4d/4']  
X:1
L:1/8
M:3/8
K:D
 A | def | fed | egg |"^sic!" g3 g | fed | dcd | eAA | A2 :: g/4f/4e/4d/4 | dA | g/4f/4e/4d/4 | 
 dA g/4f/4e/4d/4 | dA g/4f/4e/4d/4 | dA g/4f/4e/4d/4 |"^a tempo" fed | edc | ddd | d2 z :|  