Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
M:4/4
K:G
['GFGA Bdef gfge dBGB', 'dBGB ecAc gfga gdBd bagb agfa'  
X:1
L:1/8
M:4/4
K:G
|: dc | BGcG (3BAG AF | GFGA Bdef | gfge dBGB | cA (3BAG AGEF | G2 BG AGEF | GFGA Bdef | 
 gfge dBGB | ADEF G2 :: Bc | dBGB ecAc | gfga gdBd | bagb agfa | gfge dcBc | dBGB ecAc | 
 gfga gdBd | bagb agfa | fdef g2 :|  