Construct a piece of music by incorporating the given motif and adhering to the determined musical form.
X:1
L:1/4
M:4/4
K:G
['B G', 'g d'  
X:1
L:1/4
M:4/4
K:G
 G B G G B/c/ d | G B G d2 B | G B G G B/c/ d | A B/A/ B c2 A | G A G G B/c/ d | B G B g d B | 
 c e c d/c/B/c/d/B/ | c A B c2 A :: g d B d e/f/g/f/ | g d B d2 B | g d B d e/f/g/e/ | 
 c A B c d/c/B/A/ | g d B d e/f/g/e/ | g d e d c B | c e c d/c/B/c/d/B/ | c A B c2 A :|  