The two that come to mind of the top of my head are Songkick and Clickpass, both from the UK. Here was a previous discussion on the topic: http://news.ycombin

The two that come to mind of the top of my head are Songkick and Clickpass, both from the UK. Here was a previous discussion on the topic: http://news.ycombinator.com/item?id=158969 http://news.ycombinator.com/item?id=158969 searchyc.com is your friend.