Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
Q:1/8=180
M:2/2
K:D
['A2 ae cBAc', 'ABcd ecBA']  
X:1
L:1/8
Q:1/8=180
M:2/2
K:D
"^A modal" B | A2 ae cBAc | BAGB gdBG | A2 ae cBAc | BGdB cAA :| B | ABcd ecBA | BGBd gdBG | 
 ABcd ecBA | BGdB cAAB | ABcd ecBA | BGBd gdBG | AcBd cedf | edcB cA A2- |"^final" A8 |]  