Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
M:9/8
K:Emin
['Bc/B/A BEE', 'G2 A']  
X:1
L:1/8
M:9/8
K:Emin
 Bc/B/A BEE BEE | Bc/B/A BEE FED | Bc/B/A BEE BEE | FAA ABG FED :: G2 A BcA BcA | G2 A Bcd ecA | 
 G2 A BcA Bcd | ecA ABG FED :|  