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
['DGGF GABc dedB c2 Bc', 'c2 Bc'  
X:1
L:1/8
M:4/4
K:G
 GF | DGGF GABc | dedB c2 Bc | dGGF GABG | AFDE =F2 FE | DGGF GABc | dedB c2 Bc | dggf gedc | 
 B2 G2 G2 :: de | =f2 fe fede | =fedB c2 Bc | dGGF GABG | AFDE =F2 FE | DGGF GABc | dedB c2 Bc | 
 dggf gedc | B2 G2 G2 :|  