Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:2/4
K:G
['B,B,B,D G/A/G/F/ B,D GFGA B/c/B/A/ GA BBBB', 'F2 B2 A2 G2 D2 (3BcB (3ABA']  
X:1
L:1/8
M:2/4
K:G
 B,B,B,D | G/A/G/F/ B,D | GFGA | B/c/B/A/ GA | BBBB | Bc/d/ BA | BAAG | G2 F2 :: B2 A2 | G2 D2 | 
 (3BcB (3ABA | (3GAG D2 | B,DGA | BB/c/ BA | GF/E/ D/C/B,/A,/ | B,2 B,2 :|  