Compose a musical piece that incorporates the given motif and adheres to the specified form.
X:1
L:1/8
M:4/4
K:C
['fefg afge fded dcAG', 'D2 DE =F2 FE FGAB cAdB cAGB'  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:Dmix] ba .de | fefg afge | fded dcAG | F3 D FGAB | cAdc A2 de | fefg afge | fded dcAG | 
 FEFD GBAG | F2 D2 D2 :: DE | =F2 FE FGAB | cAdB cAGB | Adde fded | ^cAdc A2 de | f2 fg afge | 
 fded dcAG | F2 FD GBAG | F2 D2 D2 :|  