Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:G
['b2 ag e', 'BAGE DEGB A G3 |{A} B4{A} B4'  
X:1
L:1/8
M:4/4
K:G
|:{e} g2 a2 b2 ag | e g2 a gedg | efga b2 ag | e a2 b a2 ga | b2 ba baga | bage gedB | DGBd AGED | 
 DEGB{A} G4 ::{A} B4{A} B4 |{A} B2 ed BAG z |{A} B2 Bc BAGE | DEGB A G3 |{A} B4{A} B4 | 
{A} B2 ed BAG z | g2 ed{BcBc} BAGB | AGAB{A} G4 :|  