Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:4/4
K:Dmix
['FDDE F3 D', 'G3 (3EFG AB c2 cA d^cde fdde']  
X:1
L:1/8
M:4/4
K:Dmix
|: FDDE F3 D | GFGA cBAG | FDDE F3 D | GFGB A G3 :: (3EFG AB c2 cA | d^cde fdde | fdfd cBcA | 
 GFGA cBAG :|  