Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/4
Q:1/4=180
M:3/2
K:G
['g d2 B2 G', 'e/f/ g']  
X:1
L:1/4
Q:1/4=180
M:3/2
K:G
 g d2 B2 G | B/c/ d A/B/ c B2 | g d2 B2 G | A/B/ c G F G2 :: f a2 f2 d | g/a/ b e/f/ g a2 | 
 f a2 f2 d | e/f/ g A ^c d2 | B/c/ d B/c/ d e2 | e/f/ g e/f/ g a2 | g d2 B2 G | A/B/ c G F G2 :|  