Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/4
Q:1/2=120
M:2/2
K:G
['d B', 'g d B/c/d/B/']  
X:1
L:1/4
Q:1/2=120
M:2/2
K:G
"G" G/A/B/c/ d g | d B B g |"G" d B B g | d2 B2 |"G" G/A/B/c/ d g | d B B g |"Dm" =f A A B | 
"F" c2 A2 ::"G" G/A/B/c/ d B |"C" e d/c/"G" d B |"G" G/A/B/c/ d B | d2 B2 |"G" G/A/B/c/ d B | 
"C" e d/c/"G" d e |"Dm" =f A A B |"F" c2 A2 ::"G" g d B/c/d/B/ | g d B/c/d/B/ |"G" g d B/c/d/B/ | 
 g2 d2 |"G" g d B/c/d/B/ | g d B/c/d/B/ |"Dm" a/d/ A A B |"F" c2 A2 :|  