Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
Q:1/4=160
M:4/4
K:D
['(3(A/B/c/) d2 d2 dFED d2 Ac B2', 'A g Tfdad Tfeeg Tfdad Tf2 eg']  
X:1
L:1/8
Q:1/4=160
M:4/4
K:D
 (3(A/B/c/) | d2 d2 dFED | d2 Ac B2 AB/c/ | dABG AFdF | E/E/E FA TB2 A :: g | Tfdad Tfeeg | 
 Tfdad Tf2 eg | fdec dBAF | E/E/E FA TB2 A :|  