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:A
['B2 =c AGA B2']  
X:1
L:1/8
M:6/8
K:A
 A | A2 e e2 d | e>d=c B2 c | A>GA B2 =c | AGA B2 =c | AGA B2 e | e2 B =c2 B | A3 z2 |]  