Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:2/2
K:Amix
['d2 cd e2']  
X:1
L:1/8
M:2/2
K:Amix
 E2 |"A" E2 A2 ABcd | efec"D" d2 cd |"A" e2 A2 ABcA |"G" BAEF G2 E2 |"A" E2 A2 ABcd | 
 efec"D" d2 cd |"A" e2 a2"G" afed |"A" c2 A2 A2 :: ef |"G" gfga g2 ef | gfec"D" d2 cd | 
"A" e2 A2 ABcA |"G" BAEF G2 E2 |"A" E2 A2 ABcd | efec"D" d2 cd |"A" e2 a2"G" afed |"A" c2 A2 A2 :|  