Produce musical compositions that observe the prescribed structure and blend the offered musical idea.
X:1
L:1/8
M:4/4
K:Gmix
['BG G2 DGBd', 'fdfa gbaf g3 a gfdc AG G2'  
X:1
L:1/8
M:4/4
K:Gmix
 BdcA BG G2 | DGBd g^fde | =f2 c_B AF F2 | CFAc fagf | d2 cA BG G2 | DGBd gdBd | cFAc fage |1 
 fdcA G3 A :|2 fdcA G2 (3ABc |:[K:G] dg g2 fgaf | gfdc ABcA | dg g2 fdfa | gbaf g3 a | gfdc AG G2 | 
 AdcA GFDE | =FGAc fage |1 =fdcA G2 (3ABc :|2 =fdcA G3 A ||  