Compose a piece of music based on the provided motif and adhering to the outlined musical structure.
X:1
L:1/8
Q:3/8=92
M:6/8
K:D
["f/g/ afd d'2 b c'2 a b2", 'A/G/ F2 A d2 f ceg'  
X:1
L:1/8
Q:3/8=92
M:6/8
K:D
"^Moderato" f/g/ | afd d'2 b | c'2 a b2 g | afd afd | cee e2 f/g/ | afd d'2 b | c'2 a b2 g | 
 afg afb | fge d2 :: A/G/ | F2 A d2 f | ceg dfa | g2 b afd | cee e2 A/G/ | F2 A d2 f | ceg dfg | 
 afg afd' | fge d2 :|  