Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:4/4
K:G
['', 'BAGF EGcB ADEF', '', '(3def gGfG eGdc']  
X:1
L:1/8
M:4/4
K:G
 (3DEF |: GFGA BAGF | EGcB ADEF | GFGB dedB | AG (3EFG A2 Bc | dedc BAGF | EGcB ADEF | GFGe dBGB | 
 ADFA G2 :| (3def |: gGfG eGdc | BG (3Bcd g2 fg | aAgA fAeA | d^cde d2 (3def | gGfG eGdc | 
 BGBd gd (3Bcd | cBce dBGB |1 ADFA G2 (3def :|2 ADFA G2 ||  