Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:4/4
K:C
['GG B6 B2 (AG) G6 B4 c']  
X:1
L:1/8
M:4/4
K:C
 GG | B6 B2 | (AG) G6 | B4 c B3 | D8 | B6 BB | (AG) G4 D2- | D2 (E2 D2) E2 | G2 G6- | G4 ||  