Want to convert sounds and songs into a pile of nightmares?

Well, here you go! :
http://www.ofoct.com/audio-converter...a-to-midi.html

Here is a link to Scratch project featuring some MIDI music samples I made :
https://scratch.mit.edu/projects/73482558/

It also features a MIDI to (MP3, WAV, etc.) converter if you search it on the site.