Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:4/4
K:G
['DGBG AGEG', 'd2 bd adgd', '(3B^cd ^cdedBA B z']  
X:1
L:1/8
M:4/4
K:G
 DGAG EGBG | DGBG AGEG | cEG cBd ga | aged cEGE | D3 G E3 G | DGBG AGEG | cEGc BDGB | A3 B G3 z | 
 DG G2 EG G2 | DG G2 AGEG | cEG cBd ga | aged cEGE | D3 G E3 G | DGBG AGEG | cEGc BDGB | 
 A3 B G3 z |: d2 bd adgd | d2 bd adgd | e2 c'e beae | e2 c'e bage d2 bd adgd | d2 bd adgd |1 
 c'bac' bage | dBAB G3 z :|2 cBAc BDGB | A3 B G3 z || (3B^cd ^cdedBA | B z ^cdedBd | ce e2 fe e2 | 
 feed edBA | (3B^cd ^cdedBA | B z ^cdedBA | BAAG GFFE | EDEF G3 z | (3B^cd ^cdedBA | B z ^cdedBd | 
 ce e2 fe e2 | g2 fd edBA | (3B^cd ^cdedBA | B z ^cdedBA | BDAD GDFD | EDEF G3 z ||  