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
['C F2 Fd cAGA F2 FA cfag', 'fc fg/a/']  
X:1
L:1/8
M:4/4
K:F
 C | F2 Fd cAGA | F2 FA cfag | fdcA GFDG | FCDE F2 F2 :| a | fc fg/a/ gdde | fc fg/a/ cfaf | 
 bgaf gfdg | fcde f2 fa | fc fg/a/ gdde | fadf cfAc | BGAF GABd | FCDE F2 F ||  