Songkick On Tour connects to your Dopplr account and gets your travel itinerary. It checks Songkick for the cities you'll be in. Never miss a great gig while you're travelling again.

Screencast at http://www.vimeo.com/9103599

App at http://songkickontour.appengine.com

Hacker: Matt Biddulph

APIs: Songkick, Dopplr

Implementation: JRuby, Sinatra, Google AppEngine

Thanks to Songkick for API help.