Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
Q:1/4=120
M:6/8
K:Emin
['BEE dEE', 'efe fdB']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:Emin
"^Jig." uc | BEE dEE | BEE FEF | D>DD FEF | AB^c ded | BEE dEE | def gfe | afd AFD | FEE E2 :: uf | 
 efe fdB | efe fdB | ded dAF | DFA def | efe fdB | efe fdB | AGF dAF | FEE E2 :|  