Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:3/4
K:Cdor
['c2 c=B cd =BA B2 A2 c2', 'd4 g2 gf g_a f2 f4']  
X:1
L:1/8
M:3/4
K:Cdor
 c2 c=B cd | =BA B2 A2 | c2 cd ef | dc d4 :: g2 gf g_a | f2 f4 | e2 ed ef | d2 d4 | g2 gf g_a | 
 f2 f4 | ed d3 c | c=B c4 :|  