Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/4
Q:3/4=70
M:3/4
K:C
['e f', 'f f']  
X:1
L:1/4
Q:3/4=70
M:3/4
K:C
 d e f | e f g | c2 c | c2 d | e3/2 f/e/d/ | c d e/d/ | c A A |1 A3 :|2 A2 |: G | F F F | 
 F3/2 E/ D | f f f | f3/2 e/ d | e2 f | g3/2 f/e/f/ | d2 A |1 d2 :|2 d3 :|  