Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:6/8
K:C
['c eef gec cde f2 f/e/ dgf', 'G2 G dde fff gf/e/d ^cAa aff']  
X:1
L:1/8
M:6/8
K:C
 c | eef gec | cde f2 f/e/ | dgf e>dc | eef g2 g | ged/c/ c>de | f>gf/e/ d2 d | e>ag ^fdg | 
 BcA G2 :: G | dde fff | gf/e/d ^cAa | aff gea | f>ed ddd/e/ | ff/e/d/c/ B2 G | c>cd e2 e | 
 cBA def | f/e/d/c/B/A/ A2 A/B/ | ccc f2 f/e/ | fAc B2 d | gfe ABc | d>eB c2 :|  