Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:G
['e4 d3 B GABA AG E2 GAGE', 'dBGB c2 ec B2 dB', 'dBGB c2 ec B2 dB AdBG AG'  
X:1
L:1/8
M:4/4
K:G
|: e4 d3 B | GABA AG E2 | GAGE DEGA | BGAB AGEG | e4 d3 B | GABA AG E2 | GAGE DEGB |1 AGAB G4 :|2 
 AGAB G3 D || GABc d2 Bd | egge dBGB | c2 ec B2 dB | AdBG AGEF | GABc d2 Bd | egge dBGB | 
 c2 ec B2 dB | AGAB G3 D || GABc d2 Bd | egge dBGB | c2 ec B2 dB | AdBG AG E2 | gfed efge | 
 d2 BG AGEF | GAGE DEGB AGAB G4 ||  