Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/8=360
M:12/8
K:G
['DEF GAB e2 c A2 G', 'BdB B2 A']  
X:1
L:1/8
Q:1/8=360
M:12/8
K:G
 DEF GAB e2 c A2 G | FAF EFE DFA d2 A | DEF GAB e2 c A2 G | FFF DEF G3 G3 :| BdB B2 A BdB B2 A | 
 G3 BAG A2 G E2 D | BdB B2 A BdB B2 A | GFE A2 E B3 B2 B | DEF GAB e2 c A2 G | FFF EFE DFA d3 | 
 DEF GAB e2 c A2 G | F2 F DEF G3 G3 ||  