Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
M:2/2
K:Ador
['EAAB cBcA dcde f2 ef gedc', 'A2 fg a2 af g2 ge fgfd']  
X:1
L:1/8
M:2/2
K:Ador
 AG | EAAB cBcA | dcde f2 ef | gedc dfed | cAGF G2 G2 | EAAB cBcA | dcde f2 ef | gedc dfec | 
 A2 AA A2 :: fg | a2 af g2 ge | fgfd e2 ed | cdef gfed | cAGF G2 G2 | EAAB cBcA | dcde f2 ef | 
 gedc dfec | A2 AA A2 :|  