Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
['EDDE F2 AF G2 BG ABde', 'faab afdf gefd']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 d3 A BF F2 | BFAF EDDE | F2 AF G2 BG | ABde feeg | fd d2 edBA | dBAF EDDE | F2 AF G2 BG | 
 ABde fd d2 :| faab afdf | gefd edBd | faab fadB | ABde feeg | faab afdf | gefd edBA | 
 F2 AF G2 BG | ABde fd d2 :|  