Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:3/4
K:E
['B2 A=cBA']  
X:1
L:1/8
M:3/4
K:E
 =D=GA | B2 A=cBA | =G3 =DGA | B2 A=cBA | B3 FEF | =GEABGF | E3 DEF | =GEABGF | E2 z |]  