Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:2/4
K:Amin
['AB cB A2', 'A>B cd eg ga eg/e/ dB'  
X:1
L:1/8
M:2/4
K:Amin
 EA AB | cB A2 | FA AB | cB A2 | ^FA AB | cB A2 | eg/e/ dB | BA AG :| A>B cd | eg ga | eg/e/ dB | 
 AB G2 | A>B cd | eg ga | eg/e/ dB | BA AG :|  