https://www.youtube.com/watch?v=i2_vlXi6TzM&feature=youtu.be I
   REALLY WANT TO LEARN DRAKON VISUAL PROGRAMMING, so I made this.
   -Ken [it generates Lua, Java, Erlang, Tcl, C, C++, Python code
   and changes how you think even if you don't use it for
   code-generation but for flow-charting] Part 1, 2, 3 of Drakon
   Visual Language Tutorial - Slideshow set to Royalty-Free Kevin
   MacCleod music perfectly timed for the slides. 160 bpm / 80 bpm,
   6 seconds per slide, by Kenneth Udut because I want to learn it
   and I find slideshows boring but music interesting and
   synchronized music/video even more interesting. See below for
   playlist. Upcoming songs also inserted into the slides. "DRAKON
   Visual Language DRAKON is a visual language for specifications
   from the Russian space program. DRAKON is used for capturing
   requirements and building software that controls spacecraft. The
   rules of DRAKON are optimized to ensure easy understanding by
   human beings. DRAKON is gaining popularity in other areas beyond
   software, such as medical textbooks and law. Its purpose is to
   represent any knowledge that explains how to accomplish a goal."
   - via http://drakon-editor.sourceforge.net/language.html
   Slideshow by http://www.slideshare.net/stepan_mitkin PDF to PNG
   converted by http://pdf2png.com - thanx guys! THE MUSIC: 160 bpm
   - perfect timing for 6 second slides. Pinball Spring 160
   Triumphant and exuberant, this arcade groove is bright and
   perfect for retro games or humorous video content. Super fast
   J-Pop feel version. Bouncy, Bright, Driving Mining by Moonlight
   Light, upbeat, cool - useful for video game montages, and
   telephone on-hold music... and... nearly anything where you need
   something interesting - but not TOO interesting. Ghostpocalypse
   Action, Epic, Intense, Unnervin Fun in a Bottle Peppy piano
   piece that has a tinge of darkness, but is always happy! 80 bpm
   - perfect timing for 6 second slides Moorland somber, epic,
   celtic drone sound.