Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:2/2
K:G
['GBdc BAGB', 'aged ^cdef']  
X:1
L:1/8
M:2/2
K:G
 G2 dG BGdG | GBdc BAGB | A2 eA cAeA | Aced cAFA | G2 dc BcdB | GBdc BAGB | ABcd efge |1 
 aged cAFA :|2 aged ^cdef |: g2 gf gfef | gedc BGGd | ea a2 ageg | aged ^cdef | gbaf g2 ef | 
 gedc BAGB | ABcd efge |1 aged ^cdef :|2 aged cAFA |]  