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
['A>G A<B']  
X:1
L:1/8
M:4/4
K:G
 D>D D<B A>G A<B | D<D E>D G4 | D>D d<B A>G A<B | D>D E>D G4 | d>B G<B A>G A<B | d>B (3GBd e3 e | 
 d>B c>A B>G A>B | D<D E>D G4 :|  