Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:4/4
K:F
['C-C F2 (DC)(B,C)(_ED) C6 CC F2 (AB)']  
X:1
L:1/8
M:4/4
K:F
 C-C | F2 (DC)(B,C)(_ED) | C6 CC | F2 (AB) c2 (BA) | (G6 F2) | G2 AG c2 (cd) | cB GE FF GA | 
 G2 (FD)(B,C)(_ED) | C6 ||  