gir1.2-rb-3.0 2.90.1~20110802-0ubuntu2 (amd64 binary) in ubuntu oneiric

 Rhythmbox is a very easy to use music playing and management program
 which supports a wide range of audio formats (including mp3 and ogg).
 .
 This package contains introspection data for the Rhythmbox core support
 libraries. It can be used to write and execute plugins for rhythmbox in
 interpreted languages supporting it.