Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:4/4
K:G
['de f2 ef gfef d2 dc AGFA']  
X:1
L:1/8
M:4/4
K:G
 de | f2 ef gfef | d2 dc AGFA | cBcd ecdB | A2 AB A2 de | f2 ef gfef | d2 dc AGFA | cBcd dcAG | 
 E2 D2 D2 GA | B2 AB c2 Bc | A2 AG FGAB | cBcd ecdB | A2 AB A2 de | f2 ef gfef | d2 dc AGFA | 
 cBcd dcAG | E2 D2 D2 z2 |]  