Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:G
['(3DEF G2 BG AB (3cBA dBge dBGB', 'G2 AG FDA,D ABcA BGB,D GBdg ec', 'G2 Bc dg g2 dgbg g2 bg'  
X:1
L:1/8
M:4/4
K:G
 (3DEF | G2 BG AB (3cBA | dBge dBGB | ceAc BGDG | cABG AGFD | GDB,D G,DB,D | BGBc dBGB | 
 dgBd edcF | AGGF G2 :: AG | FDA,D ABcA | BGB,D GBdg | ec c2 dBGB | cAag fdcA | DB B2 Dc c2 | 
 d^cec dBGB | dgBd edcF | AGGF G2 :: Bc | dg g2 dgbg | g2 bg agfg | ea a2 agfe | (3ded ^cA d2 d=c | 
 (3Bcd BG (3ABc AF | GDB,D G,GBc | dgBd edcF | AGGF G2 :|  