Create tunes by incorporating the provided motif in the specified composition structure.
X:1
L:1/8
M:2/4
K:C
['CE G2']  
X:1
L:1/8
M:2/4
K:C
"C" CDEF |"C" G2 c2 |"F" A2 c2 |"C" G3 z |"G7" FFFF |"C" EE E2 |"G7" DDDD |"C" CE G2 |"C" CE G2 | 
"C" CE G2 |"G7" G2 G2 |"C" C2 z2 |]  