Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:6/8
K:Ador
['a3 bag eaf ged c2 A BAG']  
X:1
L:1/8
M:6/8
K:Ador
 a3 bag | eaf ged | c2 A BAG | EFG ABd | efe ded | cec BeB | GAB dBA | EFG |]  