I was a little confused when reading "Getting Started" page as it is not immediately obvious that you need a vynil player and a timecoded disc to use it. And I

I was a little confused when reading "Getting Started" page as it is not immediately obvious that you need a vynil player and a timecoded disc to use it. And I am surprised that there was an open-source software for this. I wonder if there is software to do scratches using a mouse or a MIDI slider? It looks like Mixxx might allow that using scripting.