Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/16
M:4/4
K:D
['f2ef g2fe', '.e4 .e4']  
X:1
L:1/16
M:4/4
K:D
 .d4 .d4 .d4 z d'c'b | a4 a4 a6 de | f2ef g2fe f2ef g2fe | f2ef g2fe a2ba gfed | e2ee eeee e6 :: 
 cd | .e4 .e4 .e4 z agf | .e4 .e4 .e4 z2 A2 | dcde dAB=cB2 ABG2B2 | edef eBcd c2Bc A2e2 | 
 f2ef g2fe f2ef g2fe | f2ef g2fg gABg f2e2 | d2dd dddd d6 :|  