Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
M:6/8
K:G
['DGA B2 G cBc', 'G2 B/d/ g2 e fga gfg Bcd']  
X:1
L:1/8
M:6/8
K:G
 F | DGA B2 G | cBc d3 | gfd Bcd | cAG FDC | DGA B2 G | cBc d2 g | gfd Bcd | cAF G2 F | DGA B2 G | 
 cBc d3 | gfd Bcd | cAG FDC | DGA B2 G | cBc dfa | gfd Bgd | cAF G2 || B/d/ | g2 e fga | gfg Bcd | 
 c2 A =fef | agf def | g2 a bag | fdg fdc | ABG AGF |1 DGF G2 :|2 DGF G3 ||  