Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:6/8
K:G
['GAB GAB c2 A FED GAB E2', 'AAA BBB'  
X:1
L:1/8
M:6/8
K:G
 GAB GAB | c2 A FED | GAB E2 A | FEF G3 :| AAA BBB | ccB BAG | AAA BBB | ^cBc d3!D.C.! ||  