I like the songs, but I hate the cussing. Are there PG versions available? By David Mackenzie • March 31, 2016 For a couple of songs, yes – there’s one for Mandelbrot Set, and one for Code Monkey. You can buy them on the store page. Comments Leave a ReplyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.