Create a musical composition using the provided alphabet sequence and motif.
X:1
L:1/8
Q:1/4=120
M:7/8
K:Amin
['B,2 C']  
X:1
L:1/8
Q:1/4=120
M:7/8
K:Amin
"Am" E3 DEDC |"Bdim" B,2 C DCED | D3 CB,A,B, |"Am" C3 z4 | E3 C2 A,2 |"Em" ^G,2 A, B,2 C2 | 
 B,2 C B,CB,^G, |"Am" A,4 z2 :|  