This reminded me of Miso Media (http://techcrunch.com/2011/09/14/miso-media-raises-another-2-4-million-to-help-you-learn-guitar/ http://techcrunch.com/2011/09/1

This reminded me of Miso Media (http://techcrunch.com/2011/09/14/miso-media-raises-another-2-4-million-to-help-you-learn-guitar/ http://techcrunch.com/2011/09/14/miso-media-raises-another-2...), though at a glance I see that they're pretty different. I appreciate that your app is web-based, personally. And to have done it all in canvas is crazy impressive-- especially considering the slickness of the interface. Kudos!