Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:4/4
K:G
['', 'gG G2 DGBd GBdg bgdc A=FAc', '', '(3Bc^c dg g2 bgdc A=FAc fc (3ABc']  
X:1
L:1/8
M:4/4
K:G
 (3def |: gG G2 DGBd | GBdg bgdc | A=FAc fefg | a2 (3g=fe dGBd | gG G2 DGBd | GBdg bgdc | 
 A=FAc =f^FAc | AG (3AGF G2 :| (3Bc^c |: dg g2 bgdc | A=FAc fc (3ABc | BGBd gdBd | 
 (3gba (3gfe d2 (3Bc^c | dg g2 bgdc | A=FAc fc (3ABc | BG=FA d^FAc | AG (3AGF G2 :|  