Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:4/4
K:A
['EA cA', 'ag ae']  
X:1
L:1/8
M:4/4
K:A
|: EA cA dB cA | EA cA BB B2 | cA ce fa gb | af ed cA A2 :: ag ae ag ae | fa ec dB B2 | 
 ag ae ag ae | fa ed cA A2 | ag ae ag ae | fa ec dB Bd | cA ce fa gb | af ed cA A2 :|  