Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:G
['DG G2 AGAB cded', 'BG G2'  
X:1
L:1/8
M:4/4
K:G
|: DG G2 AGAB | cded cAAc | BG G2 AF F2 | GBAG FD D2 | DG G2 AGAB | cded cAAg | f3 e fdcA |1 
 GBAF G3 F :|2 GBAF G3 B |: dggf g2 fg | abag fddc | BG G2 AF F2 | GBAG FD D2 | dggf g2 fg | 
 abag fddc | BG G2 AF F2 | GBAF G3 B | dggf g2 fg | abag fddc | BG G2 AF F2 | GBAG FD D2 | 
 BG G2 cA A2 | d^cde dcAg | f3 e fdcA | BGAF G3 F ||  