Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:2/2
K:C
['cBce gece BGBc dBGB', 'EF GAGE'  
X:1
L:1/8
M:2/2
K:C
 G | cBce gece | BGBc dBGB | AGcB AGF | F2 D2 D2 GB cBce gece | BGBc dBGB | AcGc FAGF | F2 CC :: 
 EF | GAGE cecA | fedc BGAB | ceGc FAGE | F2 D2 D2 EF | GAGE cdec | BGBc defd | e/f/g/ ec GBdB | 
 c2 c2 c2 :|  