Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:4/4
K:G
['', 'BGAF DG', 'dg{a}gf (3ggg']  
X:1
L:1/8
M:4/4
K:G
 dc || BGAF DG G2 | gfge fdcd | BG (3GGG DGFG | FGAB c2 dc | BGAF DG G2 | gfge fdcd | 
 BGAF DG (3GGG | FGAB c2 Bc |: dg{a}gf (3ggg bg | dgbg fgaf | dg{a}gf (3ggg dg |1 bgaf gfef :|2 
 bgaf gedc ||  