Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:6/8
K:G
['G>Bd d>Bd', 'g2 a b>ag a>gf g>fe d2 e', 'd2 G- G>Bd d>Bd e>de d2 g']  
X:1
L:1/8
M:6/8
K:G
 G | G>Bd d>Bd | e>dB d2 g | f>ef ABc | e>dB d>cA | G>Bd d>Bd | e>de d2 g | fga e2 f | g3 g2 |: a | 
 b>ag a>gf | g>fe d2 e | e>dB d>Bd | e>dG d2 :| G- | G>Bd d>Bd | e>de d2 g | f2 a eef | g3 g2 ||  