Create music compositions that adhere to the given structure and incorporate the provided musical concept.
X:1
L:1/8
M:4/4
K:G
['B/c/ d>GB>G c=F A2 dGBd gd B2', 'A2 G<G B>d'  
X:1
L:1/8
M:4/4
K:G
 B/c/ | d>GB>G c=F A2 | dGBd gd B2 | d>GB>G c>=FA>B | d>cB>A G2 G :| B | D<D =F>A cF A2 | 
 G<G B>d gd B2 | D<D =FA cF AB/c/ | d>cBA G2 GB | D<D =F>A c>F A2 | G<G B>d g>d B2 | 
 .D.D.D.E =FGAc | d>Bc>A G2 G |]  