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
['c2 AcBA B2 GBAG F2 AFDF']  
X:1
L:1/8
M:3/4
K:G
|: BAB | c2 AcBA | B2 GBAG | F2 AFDF | GFGA B2 | c2 AcBA | B2 GBAG | F2 AFDF | G4 :|  