Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:1/2=80
M:4/4
K:G
['D/D/D AF', 'd/d/d fd'  
X:1
L:1/8
Q:1/2=80
M:4/4
K:G
 A | D/D/D AF ECCE | D/D/D AF BGAF | GBFd ECCE | D/D/D AF ADD :: f | d/d/d fd ecce | 
 d/d/d fd gefd | gbfa ec-c (f/g/) | afge d2 d :|  