Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
Q:1/4=180
M:2/4
K:D
['c/d/.e z a ea e2 ed ed', 'df aa ag gf fe ag fe']  
X:1
L:1/8
Q:1/4=180
M:2/4
K:D
|:"Em" c/d/.e z a | ea e2 | ed ed | gf e2 ::"Em" c/d/.e z a | ea e2 | ed ed | gf e2 ::"D" df aa | 
"G" ag gf |"A" fe ag |"D" fe d2 ::"D" df aa |"G" ag gf |"A" fe ag |"D" fe d2 :|  