Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:2/4
K:G
['G>A G>e d>c G2 E/F/G/c/ g/e/c/A/ Ba', 'ed e>f']  
X:1
L:1/8
M:2/4
K:G
 G>A G>e | d>c G2 | E/F/G/c/ g/e/c/A/ | Ba g2 | A>B A>g | fd A2 | G/A/B/d/ g/f/d/B/ |1 AE G2 :|2 
 [Ec]e[Ec] z || dB/G/ D/E/G/A/ | Be ed | e>f e/d/B/G/ | Fe d2 | cA/F/ D/E/F/A/ | ce ed | 
 e>f e/d/B/G/ | D2- D z | dB/G/ D/E/G/A/ | Be ed | e>f e>B | d^c =c2 | cA/F/ D/E/F/A/ | ce ed | 
 f/e/d/c/ EF | [GB][GB][GB] z :|  