Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:3/4
K:Ddor
['c2 A2 GE D4']  
X:1
L:1/8
M:3/4
K:Ddor
 E>G | A2 A>c B>c | A4 GE | D3 EGD | ED C2 C2 | C4 F2 | E2 D2 E>F | G4 AB/c/ | d4 e>d | c2 A2 GE | 
 D4 F2 | E2 D2 EF | G4 AB/c/ | d3 fed | c2 A2 GE | D4 E>G | A2 A2 d>c | A4 GE | D3 EGE | D2 C2 C2 | 
 C4 ||  