Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/4
Q:1/4=150
M:3/4
K:Amin
['c B', 'd e']  
X:1
L:1/4
Q:1/4=150
M:3/4
K:Amin
 z B A/G/ | A3 | z3 |"Am" A/B/ c B | A/B/ c B | A/B/ c d |"Dm" e d z |"Em" e/f/ g e |"C" d/c/ e c | 
 c/B/ d c |"Am" B A z |"Em" A e2 |"Dm" f/g/ e d |"Em" d/e/ f g | a e2 |"Dm" d/e/ f d | c/d/ e d | 
 c/d/ d c |"Am" B A2 |[M:2/4][Q:1/4=300] z2 | z2 | z2 | z2 |: d2- | d B | c2 | B A | z d- | d B | 
 c2 | B A | d2- | d e | c B | A2 | d c | d e | c B | A2 | d2- | d e | f2 | a2 |1 e2- | e d | e d | 
 c z | c2- | c d | e2 | f e | d2 | z2 | z2 :|  