Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:2/2
K:D
['', 'A defd B2 dB (3AGF dF AGFA', 'fada fdaf']  
X:1
L:1/8
M:2/2
K:D
 A |: defd B2 dB | (3AGF dF AGFA | defd Bdef | gefd B2 dA :| fada fdaf | gbeb gebg | fada fdaf | 
 gefd B2 d2 | fada fdaf | gbeb gebg | fdaf bgaf | gefd B2 d ||  