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
['GA B g3 af g d3 Bd', 'G4 f>g a2 d2 g>f e2 d3', 'A4 GA B g3 af g d3']  
X:1
L:1/8
M:3/4
K:G
 GA | B g3 af | g d3 Bd | c2 A3 F | G4 :| f>g | a2 d2 g>f | e2 d3 B | c2 d>B GB | A4 :| GA | 
 B g3 af | g d3 Bd | c2 A3 F | G4 ||  