Social music network Last.fm has released an update to its iPhone and iPod touch application adding several new features for searching and exploring music and artist information. With Last.fm 3.0 users can now view their Last.fm profile from within the app to see top charts, recent tracks and friend information and receive Last.fm music recommendations for artists and new album releases. The update also includes information on upcoming concerts in the user’s local area with information on which events friends are attending. Users can now search the Last.fm music catalog and edit Last.fm radio stations on the go to fine-tune listening preferences. Version 3.0 also adds a new user interface with Retina Display support for the iPhone 4 and fourth-generation iPod touch. Last.fm is available from the App Store as a free download.