Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:4/4
K:D
['d2 Ad', 'af f2']  
X:1
L:1/8
M:4/4
K:D
|: d2 Ad BdAB | d2 fd edBc | d2 Ad BdAd | (3Bcd ef g2 fe | d2 Ad BdAB | d2 fd edBc | d2 Ad BdAd | 
 (3Bcd ef g2 fg |: af f2 df f2 | af f2 ge e2 | af f2 dfed | (3Bcd ef g2 fg | af f2 df f2 | 
 af f2 ge e2 | af f2 dfed | (3Bcd ef g2 fe ||  