Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
Q:1/4=100
M:4/4
K:Emin
['G2 G>A BG G2 A>A A/B/c/d/ eA', 'g>fge dBAG'  
X:1
L:1/8
Q:1/4=100
M:4/4
K:Emin
 G2 G>A BG G2 | A>A A/B/c/d/ eA A>B | c>dec TB>cdB | (A/B/c) BA GE E2 :| g>fge dBAG | 
 g>fga b e2 f | g>fge dBAG | AcBA GE E2 |]  