Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
Q:1/8=180
M:4/4
K:Amin
['A2 Bd', 'a2 ea']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:Amin
 A2 Bd edBA | GGGA GE D2 | GABd edBd | egdB B2 dB | A2 Bd edBA | GGGA GEDE | A2 Bd edBd | 
 (3efg dB BAA || e | a2 ea age^f | g2 dg Bgdg | a2 ea agab | dedB BAAe | agab age^f | ggge ggge | 
 dega (3bag a^f | gedB B2 GB ||  