The Podlove Ruby Sample Code by Bastian Bartmann demonstrates API interaction to integrate audio into a web player. Documentation available at http://www.rubydoc.info/github/coding-chimp/podlove-web-player-rails/master/frames
For developers looking for an easy way to collect videos from users' webcams for a variety of applications, CameraTag could be just the thing. The company provides an the CameraTag API that makes it possible to add webcam video recording to websites with just one line of code. The folks at CameraTag are quite confident that their product is better and more cost effective than competitors such as framey, nimbb and framebase, that they've even included a head-to-head comparison of features and prices on their website.
For staying up to date with band tour dates, live venue information and more, Pollstar has it covered. It's a trade publication that covers music industry information on a worldwide scale. What's pretty cool is that Pollstar provides an API that allows third party developers access to the full event database, enabling them to include Pollstar data on other websites and applications.