Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/4
M:4/4
K:G
['d B d2']  
X:1
L:1/4
M:4/4
K:G
"G" d B d2 |"G" d B d2 |"C" e d c B |"D7" A B c B/c/ |"G" d G"^G/b" G G | 
"G""C" G/A/B/c/"G""^A7/c+" d2 |"C""D" d A"D7" A c |"G" B A G :|  