Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/4
M:4/4
K:G
['A B']  
X:1
L:1/4
M:4/4
K:G
 D/D/ | G D B, D | G/G/ G2 G | A B c B | (B A2) | (B/c/) | d B c A | B G/G/ A D | D D E F | 
 G/F/ E | D B,/D/ | G3 D | A3 D | B d c B | B A2 B | d3/2 B/ | (c/B/) A | B G A G | G F E D | 
 (E F) G ||  