Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/16
M:2/4
K:D
['(fg) a2a2a2a2 a4 f4 |{a} g2g2e2e2 fefg', 'd2 efge f2d2 fefg f2d2 e2f2g2e2 fefg']  
X:1
L:1/16
M:2/4
K:D
 (fg) | a2a2a2a2 | a4 f4 |{a} g2g2e2e2 | fefg f2f2 | g2g2 efge | f6 :: d2 | efge f2d2 | fefg f2d2 | 
 e2f2g2e2 | fefg a2g2 | f2ed egec | d6 :|  