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:C
['Bc e2 ed']  
X:1
L:1/8
M:3/4
K:C
 Bc e2 ed | fa g2 d2 | fa g2 gd | fe c2 G2 | Bc e2 ed | fe c2 d2 | Bc e2 ed | fe c2 G2 |]  