Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:3/2
K:Emin
['B2 EG B2 G2', 'E4 e2 ed c4 dedc BAGB A2']  
X:1
L:1/8
M:3/2
K:Emin
|: B2 EG B2 G2 c4 | B2 EG B2 G2 A4 | B2 EG B2 G2 c4 | ABAG F2 D2 E4 :| e2 ed c4 dedc | 
 BAGB A2 GA B4 | e3 d c2 c2 dedc | B4 cABc A2 A2 ||  