Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
Q:1/2=100
M:3/2
K:F
['f2 c4 Bc A2 F2 D2 Bd', 'F4 cfaf bagf e2 c2 Bdgd gfed', 'F4 f2 c2 _egfe dBAB g2 d2', 'F4 afcf Acfa d2 B2 bgdg Bdgb']  
X:1
L:1/8
Q:1/2=100
M:3/2
K:F
 f2 c4 Bc A2 F2 | D2 Bd GB DF E2 C2 | EGBA GFED C2 c2 | AFEF CFEG F4 || cfaf bagf e2 c2 | 
 Bdgd gfed c2 B2 | Acfc fedc B2 c2 | AFEF CFEG F4 || f2 c2 _egfe dBAB | g2 d2 fagf =ecBc | 
 a2 e2 fagf edcB | AFEF CFEG F4 || afcf Acfa d2 B2 | bgdg Bdgb e2 c2 | dBGB DFBd E2 c2 | 
 AFEF CFEG F4 |]  