Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:4/4
K:C
['', 'GcBc AcGc ecgc egce fedc BGAB', 'AGEG (3cBA GF AFDC'  
X:1
L:1/8
M:4/4
K:C
 EF |: GcBc AcGc | ecgc egce | fedc BGAB | cdea gGEF | GcBc AcGc | ecgc egce | fedc BGAB |1 
 ecBd cGEF :|2 ecBd cG,A,B, |: CGEC A,CG,A, | CEGc AGEG | (3cBA GF AFDC | B,CDE DB,G,B, | 
 C2 EC A,CG,A, | CEGc AGEG | (3cBA GF AFDC |1 B,CDB, C3 G, :|2 B,CDB, CDEF ||  