Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/16
Q:1/4=120
M:4/4
K:D
['f2ed cdef', 'd4 fg a2d2 c2d2 e6 fg a4']  
X:1
L:1/16
Q:1/4=120
M:4/4
K:D
"^Very Slow" A2 | d4 f2ed cdef g2g2 | f4 gfed Tc2>d2 efge | d2a2 f2ed cdef g2ag | Tf4 e2>d2 d4 :| 
 fg | a2d2 c2d2 | e6 fg | a4 gfed cdef gedc | d2>e2 f2g2 agfe f2ed | Tg2>a2 b2a2 gagf e2fg | 
 f4 gefd cdef g2ag | f4 Te2>d2 d6 ||  