Click on the up arrow to start.
Allow the poem to play through once so that you know what's there.
To restart, click on the up arrow, and when it resets, click on the up arrow again.
Pressing the number keys will move the play head to the point indicated by the red and yellow numbers in the text on the left side of the screen.
The down arrow instructs the deconstructor to conclude at the end of the next cycle.
The right arrow brings the deconstructor to a stop with no wait.
Once the deconstructor has started, you can use the arrows on your keyboard in lieu of the buttons on the screen.
Have fun playing the numbers like a musical keyboard. See what sort of sounds you can invent.
Since the number of sounds that can play simultaneously are determined randomly, the results will never be exactly the same.