Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/4
M:3/4
K:C
['B B']  
X:1
L:1/4
M:3/4
K:C
 (G/A/) | B B B | (A G) (B/c/) | d e B | A2 (G/A/) | B B B | (A G) B | B A (G/A/) | G2 (G/A/) | 
 B B B | A G B/c/ | d e B | A2 B/c/ | d B d/e/ | d3/2 B/ G | A3/2 G/ A | G2 ||  