Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/4=206
M:4/4
K:C
['e2 c2', 'A2 c2 e2 c2 BcBA B4 Bcdc']  
X:1
L:1/8
Q:1/4=206
M:4/4
K:C
 G2 c2 e2 c2 | BcBA G4 | Bcde dcBc | defd e2 c2 | G2 c2 e2 c2 | BcBA G4 | Bcde dcBc | dedB c4 :| 
 A2 c2 e2 c2 | BcBA B4 | Bcdc BAGA | B2 c2 B2 A2 | A2 c2 e2 c2 | BcBA B4 | Bcdc BAGA | B2 c2 A4 :|  