Compose a musical piece utilizing the given motif as the foundation while maintaining the required musical form.
X:1
L:1/8
M:4/4
K:D
['dfaf bfaf', 'gfeg fd'  
X:1
L:1/8
M:4/4
K:D
|: dfaf bfaf | dfaf gfed | dfaf bfaf | Adfe dB B2 | Bdfd e2 ed | egfe dBaf | dfaf bfaf | 
 gfeg fd d2 :: defg a2 af | gfeg fd d2 | fage f2 fe | d2 fd eA A2 | defg a2 af | gfeg fd d2 | 
 dfaf bfaf | gfeg fd d2 :|  