Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
['dGBG ABce', 'g/f/e/d/ B/c/d/B/']  
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
 g | dGBG ABce | dGBG dGBG | dGBG ABce | dBge d2 G :| e/f/ | g/f/e/d/ B/c/d/B/ ABce | 
 g/f/e/d/ B/c/d/B/ g/f/e/d/ B/c/d/B/ | cgBg ABce | dBge d2 G :|  