Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:2/2
K:G
['d B3 dBAB', 'Bdef g2 bg']  
X:1
L:1/8
M:2/2
K:G
|: dge^c d B3 | dBAB GBAG | E2 Ac B G3 | BGBd efge | d2 eB d B3 | dBAB G2 GE | DEGA B2 eB | 
 dBAc BG G2 :: Bdef g2 bg | agef gfed | Bdef g2 bg | agab g3 a | b g3 agef | g3 e dBAG | 
 DEGA B2 eB | dBAc BG G2 :|  