Create music compositions that adhere to the given structure and incorporate the provided musical concept.
X:1
L:1/4
Q:1/4=120
M:4/4
K:G
['B c d g d3/2 B/', 'B c', 'G z4 G A B c z4'  
X:1
L:1/4
Q:1/4=120
M:4/4
K:G
 z3 D | G3/2 A/ B c | d g d3/2 B/ | d A d B/A/ | G F/E/ D2 | G A B c | d g d3/2 B/ | c A d F | 
 G2 G || z3 G | F G A B | c B A3/2 B/ | c e d B/A/ | G F/E/ D2 | G3/2 A/ B c | d g d3/2 B/ | 
 c A d F | G2 G || z4 | G A B c | z4 | c/B/c/B/ A B |]  