Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:1/2=70
M:4/4
K:G
['BGGB cAAc', 'd2 B/c/ dBGg ecea fdef g/f/g/a/ gB/c/'  
X:1
L:1/8
Q:1/2=70
M:4/4
K:G
 G/A/ | BGGB cAAc | BGFG A/G/F/E/ DG/A/ | BGGB cAAc | Bge^c d2 :| B/c/ | dBGg ecea | 
 fdef g/f/g/a/ gB/c/ | dBBB geea | fdef g2 fe |"^P" dBBB eccc | dBBB A/G/F/E/ DB/c/ | 
 dBBB e/g/f/a/ g/e/d/c/ | BAGF G2 G,2 |]  