Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:4/4
K:Ddor
['A,DAG EccE']  
X:1
L:1/8
M:4/4
K:Ddor
 A,DAG EccE | cAGE G/A/G EC | A,DAG EccE | cAGA c2 de | fgag f/g/f ed | cdeA cdGc | dFGA cdcA | 
 AEGC D2 z D | A,DAG EccE | cAGE G/A/G EC | A,DAG EccE | cAGA c2 de | fgag f/g/f ed | cdeA cdGc | 
 dFGA cdcA | AEGC D2 e2 |]  