Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
M:4/4
K:C
['f2 e fga g2 f efg f2', 'c2 A']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:Dmin] .abce | f2 e fga | g2 f efg | f2 d def | ecA A2 e | f2 e fga | g2 f efg | 
 f2 d e2 ^c | d3 d2 :: d | c2 A AGF | c2 A A2 d | c2 A BAG | F2 D D2 d | c2 A AGF | c2 A A2 e | 
 f2 d e2 c |1 d2 e f2 d :|2 d3 d2 |]  