Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/16
M:2/4
K:G
['G4 z2 D2']  
X:1
L:1/16
M:2/4
K:G
 D2 | G2G2A2A2 | B2>d2A2AB | G4 z2 D2 | G2G2A2A2 | B2>d2A2AB | G4 z2 D2 | c2c2c2ed | d2BBcBAG | 
 AAAABAGF | G2GABdcc | G4 z2 D2 | c2c2c2ed | d2BBcBAG | AAAABAGF | G2GABdcc | G4 z2 |]  