Write musical works that keep the predetermined structure and weave in the given motif
X:1
L:1/8
M:3/4
K:Amin
['e2 B2 c2', '[Ec]2 ([cE][BE])'  
X:1
L:1/8
M:3/4
K:Amin
 a/ | e2 B2 c2 | PBA/^G/ A3 a | e2 B2 c2 | BA/^G/ A3 a | e2 B2 c2 | BA/^G/ Ac ec | BA/^G/ A3 :: z | 
 [Ec]2 [Ec][cE] [Ec]2 | ([cE][BE]) [BE][BE] [B-E]2 | B>^G AB cd | (3efe (3def e2 | 
 [Ec]2 [Ec][Ec] [Ec]2 | ([cE][BE]) [EB][BE] [B-E]2 | B>^G Ac ec | PBA/^G/ A4 :|  