Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:9/8
K:G
['B3 GBG dBG', 'B/c/dB gdB']  
X:1
L:1/8
M:9/8
K:G
|: c | B3 GBG dBG | B/c/dB gdB efg | B3 GBG dBG | A/B/cA fAB c2 :| c | B/c/dB gdB gdB | 
 B/c/dB gdB efg | B/c/dB gdB gdB | B/c/dB fAB c2 c | B/c/dB gdB gdB | B/c/dB gdB efg | 
 bag agf efg | B/c/dB cAF G2 ||  