Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:C
['c2 dc', 'c2 dc'  
X:1
L:1/8
M:4/4
K:C
 CDEF GABG | c2 dc cBGE | F3 G FEDC | B,CDE FDED | CDEF GABG | c2 dc cBGE | FAdc BGFD |1 
 B,CDB, C2 (3G,A,B, :|2 B,CDB, C2 (3EFG |: c2 dc cBGA | B3 c BGEG | c2 dc cBGD | B,CDE FGAB | 
 c2 dc cBGA | B3 c BGEG | FAdc BGFD |1 B,CDB, C2 (3EFG :|2 B,CDB, C2 (3G,A,B, ||  