Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:2/4
K:D
['ddff a2 fa', 'ggeg dA']  
X:1
L:1/8
M:2/4
K:D
 A2 | ddff | a2 fa | ggeg | f/g/a/"^sic!"g/ dA | ddff | a2 fa | baec | d2 z2 :: A | ggeg | 
 f/g/a/"^sic!"g/ dA | ggeg | f/g/a/"^sic!"g/ dA | ddff | a2 fa | baec | d2 z2 :|  