Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:4/4
K:A
['C<E A2', 'edcd e2']  
X:1
L:1/8
M:4/4
K:A
 C<E A2 C<E A2 | A>G FE C<B, B,2 | C<E A>E F>E A>E | F>A E>C A,2 A,2 :: edcd e2 e2 | efec B2 B2 | 
 edcd e2 e2 | edcd e2 a2 | aecd e2 e2 | efec B2 B2 | cBAF EFAE | FAEC A,2 A,2 :|  