Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:6/8
K:D
['GBB FAd fed']  
X:1
L:1/8
M:6/8
K:D
|:"D" FAA"G" GBB |"D" FAd fed |"A" cBc ABc |"D" dfe"G" dAG |"D" FAA"G" GBB |"D" FAd fed | 
"A" c2 c ABc |"D" dfe d2 A ::"Bm" dBB fBB |"Bm" dBB fed |"A" cAA eAA |"A" efe edc |"Bm" dBB fBB | 
"Bm" fgf fed |"A" cBc ABc |"D" dfe d3 :|  