Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:3/4
K:G
['z/ z', 'B/B/B/B/ Bedc B/B/B/B/']  
X:1
L:1/8
M:3/4
K:G
|: (d/b) z/ z B g2 | z cfc e2 | (d/c') z/ z c f2 | z BgB e2 | (d/b) z/ z B g2 | z cfc e2 | 
 (d<c') z/ z c f2 | g4 z2 :: B/B/B/B/ Bedc | B/B/B/B/ BAGF | E/E/E/E/ EFGA | !//!B6 | 
 B/B/B/B/ Bedc | B/B/B/B/ Bagf | e/e/e/e/ efB^d | e4 z2 :|  