Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/4
M:9/4
K:D
['D2 E (D/E/ F) D (E/F/ G)', 'd2 f e c A']  
X:1
L:1/4
M:9/4
K:D
 D2 E (D/E/ F) D (E/F/ G) E | F2 A A E G TF2 D | D2 E (D/E/ F) D (E/F/ G) E | Tc2 d d A G TF2 D :: 
 d2 f e c A (B/c/ d) B | Tc2 e e B d Tc2 A | d2 f e c A (B/c/) d B | Tc2 d d A G TF2 D :|  