Build a musical piece by incorporating the given motif into the prescribed form.
X:1
L:1/8
M:2/2
K:D
['d2 cd', 'fg afaf'  
X:1
L:1/8
M:2/2
K:D
 AF | D2 dd d2 cd | ecAc d2 de | fdfd gege | afdf ecAF | D2 dd d2 cd | ecAc d2 cd | feaf edcB | 
 A2 AA A2 :: fg | agfe dcBA | B2 GG G2 ga | bagf edcB | c2 AA A2 fg | afaf b2 fg | afaf g2 fg | 
 afaf gedc | d2 dd d2 :|  