Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:4/4
K:Gdor
['', 'c2 GD EGcd |1,3']  
X:1
L:1/8
M:4/4
K:Gdor
|: BA |:"Gm" BGDC DGBA | BGDC D2 Bc |"C" c2 GD EGcd |1,3 egge"D7" ^fddc :|2,4"D7" dcAD"Gm" G2 :: 
 ga |:"Gm" bggf g2 ga | bggf d2 dB |"C" c2 GD EGcd |1,3 egge"D7" ^fdfa :|2,4"D7" dcAD"Gm" G2 :|  