Design a musical arrangement using the alphabetical representation of the given sequence and the supplied motif.
X:1
L:1/8
M:4/4
K:Bmin
['bffg efdc BdcA BFFB DBEB FBdB', 'bfdB aecB AEAB cAAA dcde fffa abba']  
X:1
L:1/8
M:4/4
K:Bmin
|: a | bffg efdc | BdcA BFFB | DBEB FBdB | abba fffa | bffg efdc | BdcA BFFB | DBEB FBdB | 
 abba b3 :: a | bfdB aecB | AEAB cAAA | dcde fffa | abba fffa | bfdB aecB | AEAB cAAA | dcde fffa | 
 abba b3 :|  