Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:4/4
K:F
['F2 CD F2 AF BGAF E G2', 'fc dfcf BfAf G g2']  
X:1
L:1/8
M:4/4
K:F
 A | F2 CD F2 AF | BGAF E G2 A | FCCD FAfd | cAGA F<FFA | F2 CD F2 AF | BGAF E G2 A | FCCD FAfd | 
 cAGA F<FF || g | (f/4g/4g3/2) fc dfcf | BfAf G g2 a | (f/4g/4a3/2) gc defd | cAGA F<FFg | 
 (f/4g/4a3/2) fc dfcf | BfAf G g2 b | (a/g/f/e/) fc defd | cAGA F<FF ||  