Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:2/4
K:G
['G/A/ BGBG AD DA/B/ cBcA BGGd edef', 'd g>agf e3']  
X:1
L:1/8
M:2/4
K:G
 G/A/ | BGBG | AD DA/B/ | cBcA | BGGd | edef | gf/e/ dc | BA/G/ A/c/A/F/ | G3 :: d | g>agf | 
 e3 (3e/f/g/ | abag | f3 g | gfe^d | e2 f2 | g2 f2 | e3 d | g>agf | e3 d | cBAG | A3 G/A/ | BGBG | 
 AD DA/B/ | cBcA | BGGd | edef | gf/e/ dc | BA/G/ A/c/A/F/ | G3 :|  