Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:4/4
K:Gmin
['g<d d>c', 'B>df>b A>cf>a'  
X:1
L:1/8
M:4/4
K:Gmin
 ^f | g<d d>c B>AG>A | B>c dc/B/ A2 D>^f | g<d d>c B>cd>c | BA/G/ AG/^F G2 G, :| A | 
 B>df>b A>cf>a | B>c dc/B/ A2 D>A | B>df>b A>cf>a | BA/G/ AG/^F/ G2 G,>A | B>df>b A>cf>a | 
 B>c e/d/c/B/ A2 D^f | ga/b/ a>g ^fg/a/ d>c | BA/G/ AG/^F/ G2 G, ||  