Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:6/8
K:D
['a>bg f>ge', 'd2 B2 g<b d2 f gfd dgb']  
X:1
L:1/8
M:6/8
K:D
 a/ | a>bg f>ge | d>cd ecA | A>Bc A>BA | d>ef ea/ | a>bg f>ge | dcd edA | ABc dgf | edc d2 :| 
 B2 g<b | d2 f gfd | dgb bag dfa gfd | gab gfe | fga fed | Bgb a>bg | f>ge d2 :|  