Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/16
M:4/4
K:Amin
['c2Ac BAGB', 'a2ea g^fe2']  
X:1
L:1/16
M:4/4
K:Amin
 ed | c2Ac BAGB ABcd e2ed | c2Ac BAGB BAAG E2ed | c2Ac BAGB ABcd e2eg | ^fedf ecAc BAGB A4 :: 
 a2ea g^fe2 f2df ecA2 | AGAB cdeg ^fedf e4 | a2ea g^fe2 ^f2df ecA2 | AGAB cdec BAGB A4 :|  