Construct a piece of music by incorporating the given motif and adhering to the determined musical form.
X:1
L:1/8
M:2/4
K:D
['DFAd fa a2 A,CEA eg g2 DFAd', 'a/g/f/g/ a/g/f/g/'  
X:1
L:1/8
M:2/4
K:D
 DFAd | fa a2 | A,CEA | eg g2 | DFAd | faag | fe/d/ ed/c/ | d2 D2 :: a/g/f/g/ a/g/f/g/ | 
 a/g/f/g/ a2 | g/f/e/f/ g/f/e/f/ | g/f/e/f/ g2 | DFAd | faag | fe/d/ ed/c/ | d2 D2 :|  