Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:2/2
K:G
['G2 BG', 'E2 DEB,E DEGA'  
X:1
L:1/8
M:2/2
K:G
 G2 BG DGBG | Edef gedB | G2 BG DGBA | GEGA BcBA | G2 BG dGBG | Edef gfeg | faef dBAB | 
 GEGA BABd || eE E2 DEB,E | DEGA BcBA | GE E2 DEB,E | DEGA BABd | eE E2 DEB,E | DEGA BcBA | 
 GE E2 DEB,E | DEGA BcBA ||  