I'm the main guy who makes Soundslice. :) Yes, we launched the video annotation tool in 2012 and shifted focus to the sheet-music version in 2014. Our number on

I'm the main guy who makes Soundslice. :) Yes, we launched the video annotation tool in 2012 and shifted focus to the sheet-music version in 2014. Our number one bit of feedback was: "Please add support for standard notation!" -- hence the shift. Here's a tech talk I gave about that original Soundslice version: http://37signals.com/talks/soundslice http://37signals.com/talks/soundslice