Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
Q:1/8=128
M:4/4
K:G
['G<G Bc/d/ Gc Bc/d/']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:G
|: g | G<G Bc/d/ Gc Bc/d/ | DA FA ce dB | G<G Bc/d/ Gc Bc/d/ | eg f/g/a/f/ gG Bg | 
 G<G Bc/d/ Gc Bc/d/ | DA FA ce dB | G<G Bc/d/ Gc Bc/d/ | eg f/g/a/f/ gG Bg | dg Bg dg bg | 
 dg Bg aA ce | dg Bg dg bg | (3(efg) (3(fga) gG Bg | dg Bg dg bg | dg Bg aA ce | 
 G<G Bc/d/ Gc Bc/d/ | eg f/g/a/f/ gG B :|  