Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:6/8
K:D
['fed B2', '(a2 b) afd fed']  
X:1
L:1/8
M:6/8
K:D
 ud | ABd ud2 ud | fed B2 d | ABd daf | fed d2 A | ABd d2 d | fed B2 b | (a2 b) afd | fed d2 :: f | 
 (a2 b) afd | fed B2 b | (a2 b) afd | fed d2 f | (a2 b) afd | fed B2 d | ABd daf | fed d2 :|  