Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:4/4
K:D
['d2 B AFA', 'F2 G AFD AFD']  
X:1
L:1/8
M:4/4
K:D
 d2 B AFA AFA | d2 d def e2 c | d2 B AFA ABc | d2 D DEF E2 D :: F2 G AFD AFD | FGA Bcd c2 A | 
 F2 G AFD AFD | d2 D DEF E2 D :|  