Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/4
M:2/2
K:G
['G2 B3/2 c/ d2 B2 c2 A2', 'G G B A G']  
X:1
L:1/4
M:2/2
K:G
 G2 B3/2 c/ | d2 B2 | c2 A2 | d2 A2 |] B G G B | A G G B | A G F E | F2 D2 |]  