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:Amin
['B,2 C<A, z B, (.C2 .D2) E4', '(3(FGF) E2', 'E>DC>B, vA,<A, z uB, C>A,B,>C D<D z']  
X:1
L:1/8
M:4/4
K:Amin
|: vA,2 B,2 C<A, z B, | (.C2 .D2) E4 | A2 c2 (3(FGF) E2 | A2 c2 (3(FGF) E2 | A,2 B,2 C<A, z B, | 
 (.C2 .D2) E4 | A>Bc>d e2 a2 | ^g>ab>g a2 z2 :| (3(cdc) G2 (3(cdc) G2 | (3(cdc) G2 c>cB>c | 
 (3(ded) G2 (3(ded) G2 | (3(ded) G2 d>dc>d | e2 e2 (3(FGF) E2 | e2 e2 (3(FGF) E2 | 
 (3(FGF) E2 (3(FGF) E2 | E>FE>F E>DC>B, |: vA,<A, z uB, C>A,B,>C | D<D z E F>DE>F | 
 E>^GBc d>BG>B |1 A>cB>^G A>GC>B, ||2 A<AE>C A,2 |]  