OMG! Ubuntu! posted a guide about installing the latest version of Rhythmbox in Ubuntu 10.10
The recent update to music player Rhythmbox brought with it many feature updates and fixes.How to install the latest Rhythmbox (including its new last.fm plugin) in Ubuntu 10.10
Amongst these came a newly souped-up Last FM plugin offering up detailed user stats, artist recommendations and support for music streaming.
Maverick users can now install it via a dedicated backport PPA.