Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:4/4
K:D
['', 'B2 AF F2 DEFA dABA FABA df', 'EFED B,EGB degb afef eB B2 AF']  
X:1
L:1/8
M:4/4
K:D
 B2 |: AF F2 DEFA | dABA FABA | df f2 bafa | afef eB B2 | AF F2 DEFA | dABA FABA | df f2 bafa |1 
 afef d2 dB :|2 afef d2 dA |: d2 dA FABA | BdAF EFED | B,EGB degb | afef eB B2 | AF F2 DEFA | 
 dABA FABA | df f2 bafa |1 afef d2 dA :|2 afef d2 ||  