Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:9/8
K:Dmix
['FAd FAd', 'FGA AFd', 'c2 E ded dcB AFD ded def', 'FFF GGG']  
X:1
L:1/8
M:9/8
K:Dmix
|: A/G/ | FAd FAd AFD | FAd FAd c2 E | FAd FAd AFD | BGG AGF c2 :: E | FGA AFd AFD | FGA AFd c2 E | 
 FGA AFd AFD | BGG AGF c2 :: E | ded dcB AFD | ded def g2 e | ded fdB AFD | GFG EcB c2 :: E | 
 FFF GGG AFD | FFF GGG c2 E | FFF GGG AFD | BGG AGF c2 :|  