Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:4/4
K:G
['', 'BG G2 AGFA G3 D EDB,D GBdg', 'BG G2']  
X:1
L:1/8
M:4/4
K:G
 dc |: BG G2 AGFA | G3 D EDB,D | GBdg bg g2 | FGAB cedc | BG G2 AGFA | G3 D EDB,D | GBdg bg g2 | 
 AGFA G2 dc :| BG G2 DGBd | g2 fg edBG | cBce dBGB | Ad^cd ed=cA | BG G2 DGBd | g2 fg edBG | 
 EDEc BG G2 |1 AGFA G3 A :|2 AGFA G2 ||  