Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:4/4
K:C
['BEA |[M:4/4][K:A]SOSOO .!fermata!PMTuCO(Mfe) cAAB BGEB cAGE G2', 'f2 fd e2 ed cdef']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:4/4][K:A]SOSOO .!fermata!PMTuCO(Mfe) | cAAB BGEB | cAGE G2 (cd) | edce dcAG | A2 AA A2 :| 
 (de) | f2 fd e2 ed | cdef g2 gb | aged cAdc | A2 AA A2 (3def | gfga gfef | gfga g2 (ed) | 
 eaab afed | eaab a2 (ag) | f2 fd e2 ed | cdef g3 b | aged cAdc | A2 AA A2 |]  