Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:2/4
K:G
['B A2']  
X:1
L:1/8
M:2/4
K:G
 z d2 B | A2 z d- | d B A2 | G A G A | z d2 B | A2 B d | B d B A | G2 G B | A G z F- | F E D2 |]  