Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
Q:1/4=127
M:4/4
K:G
['', 'G>A BB cB Ac', 'dc/B/ AB', 'GB AG', 'A2 DE FG', 'AG B/A/G B/A/G FG A2 DE FG']  
X:1
L:1/8
Q:1/4=127
M:4/4
K:G
"A" |: G>A BB cB Ac | BA GF E2 D2 | G>A BB cB Ac | BG AF G2 G2 :|"B" |: dc/B/ AB cB/A/ GB | 
 AG FG A>B A2 | dc/B/ AB cB/A/ GB | AG GF G2 G2 :|[K:F]"C" |: B/A/G B/A/G FG A2 | DE FG AB AG | 
 B/A/G B/A/G FG A2 | DE FG GF G2 :|  