Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
Q:1/4=110
M:2/4
K:D
['A/G/ FE DA/G/ F/G/F/E/ DA B>A G/A/B/G/', 'D A B>B BA Bc d>c dc']  
X:1
L:1/8
Q:1/4=110
M:2/4
K:D
 A/G/ | FE DA/G/ | F/G/F/E/ DA | B>A G/A/B/G/ | AA/G/ F>A | GF ED | C/D/E/C/ A,A/G/ | FE/D/ EA, | 
 D2 D :: A | B>B BA | Bc d>c | dc BA | F/E/D/F/ EA,/A,/ | DD E>G | F/E/D d>c | dA B2 | AF G>F | 
 GF ED | C/D/E/C/ A,A/G/ | FE/D/ EA, | D2 D :|  