Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/16
M:3/8
K:C
['gagfef g2dcde', 'c4 d2 e2>f2ed c2d2e2 f2>g2fe d2e2f2 e2>f2ed']  
X:1
L:1/16
M:3/8
K:C
 ef | gagfef | g2dcde | f2defd | edc2ef | gagfef | g2dcde | f2efdB | c4 :: d2 | e2>f2ed | c2d2e2 | 
 f2>g2fe | d2e2f2 | e2>f2ed | c4 c2 | Bcd2B2 | c4 :|  