HTML5 Cloud Composer App

Last week I attended Google’s HTML5 Web App Hackathon event in Chicago, IL. Over 100 developers attended this one day event and got to spend the day at Google’s Chicago office. At the beginning of the event we split up into groups and got to design and develop an app of our choosing using HTML5. My team designed the HTML5 Cloud Composer app which lets you do basic music composition in the browser.

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Vexflow Guitar Tab Player

What if there was a standardized way to display interactive guitar tab on the web? And this guitar tab could be listened to and required no plugins to run, just a browser…

I built a web-based guitar tab player using Firefox’s Audio Data API and Vexflow. This proof of concept guitar tab player reads MusicXML files and dynamically generates tablature and audio using JavaScript.

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Greg Jopa

Web developer and musician. Passionate about the open web.


Web Developer


Chicago, Illinois