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
['d B2 (AG) A/G/F/E/', 'd3 d e c2 e d B2']  
X:1
L:1/8
M:2/4
K:G
 d | B2 (AG) | A/G/F/E/ Dd/c/ | Bdgc | B G2 d | B2 (AG) | A/G/F/E/ Dg | (f/g/a) A^c | d3 :: d | 
 e c2 e | d B2 d | e/d/c/B/ c/B/A/G/ | A/G/F/E/ Dd/c/ | B g2 B | c a2 c | B2"^tr" A2 | G3 :|  