Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/4
M:2/2
K:G
['D G', 'd g']  
X:1
L:1/4
M:2/2
K:G
 B A/G/ D G | A (G/F/) A c | B (A/G/) D G | B3/2 A/ B d | c e B g | A/B/A/G/ F A | 
 B d (f7/8e/8f/8) | g G B d :: g (g/4a/4b/) d g | a/b/a/g/ f a | g (g/4a/4b/) d g | B (A/G/) B d | 
 c e B g | A/B/A/G/ F A | B/c/ d (f7/8e/8f/8) | g/d/B/G/ B d :|  