Develop a musical composition based on the specified form and using the given motif.
X:1
L:1/8
M:2/2
K:Dmix
['FDAD FA A2 cABG EFGE FDAD FAAB', 'FDFA d2 ed', '', 'FAAB cBcG EFGE FDAD FGAB cAGE ED', 'dB c2 cG EFGE FDFA d2 dB'  
X:1
L:1/8
M:2/2
K:Dmix
 FDAD FA A2 | cABG EFGE | FDAD FAAB | cAGE EDDE :: FDFA d2 ed | cABG EFGE | FDFA d2 ed | 
 cAGE EDDE :|"^variations" |: FDAD FAAB | cBcG EFGE | FDAD FGAB | cAGE ED D2 :: FDFA d2 dB | 
 c2 cG EFGE | FDFA d2 dB | cAGE ED D2 :|  