Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
Q:3/8=65
M:3/8
K:F
['FAc in f2 f ee/f/g/e/', 'cfa cge', 'e a2 f g2 e def e2'  
X:1
L:1/8
Q:3/8=65
M:3/8
K:F
 FAc |"^f3 in MS" f2 f | ee/f/g/e/ | fcc | FAc |"^f3 in MS" f2 f | ee/f/g/e/ | f3 :: cge | cfa | 
 cge | fe/f/g/f/ | cge | cfa | cge | f3 :: gag | g2 e | a2 f | g2 e | def | e2 g | g/a/g/f/e/d/ | 
"^DC" c3 :|  