Click the flag. Use SPACE BAR to show/hide Swing count variable. SHIFT + Flag for Turbo Mode :-D You can experiment with the sound patterns it makes by changing the tempo variable.
How long before the pattern repeats? I've watch for 20 minutes and it doesn't happen... maybe it never will? My inspiration. https://www.youtube.com/watch?v=WULMIjhMFmE