Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/4
M:4/4
K:D
['=F2 E D2']  
X:1
L:1/4
M:4/4
K:D
 D | D A A B/=c/ | B3/2 A/ G G/A/ | B3/2 B/ B d | =c3/2 B/ A z/ A/ | d3/2 d/ c A | d2 A3/2 A/ | 
 G3/2 G/ A3/2 A/ | E2 A | d2 d | c B A | d3 | A2 A | _B2 A | G =F G | A3 | =F2 E | D2 E | =F2 G | 
 A3 | B2 A | G G E | =F2 E | D2 z |]  