Wouldn't it be great if you could tune into your local music like you do with the Last.fm radio? TagPlayer, a new Linux music player does just that: it plays your local music by using its Last.fm tags.
TheLastRipper is a cross-platform application which can save Last.fm streams to mp3 and also download the album cover, append ID3v2 tags, organize the music by Artist/Album/Track and also generate playlists from the data available for your Last.fm account.
Amarok 2 in Jaunty is not working scrobbing the music to last.fm service but you can add to your sources list the kubuntu-experimental repository and update Amarok. Last.fm scrobbing is working with the latest version of Amarok 2.
Best Greasemonkey and Stylish scripts (both are Firefox extensions).
To this end I’ve been seeking free and semi-free online music—free as in beer, semi-free as in of limited choice—since the new year. So far, outside of bittorrenting (which is obviously of variable legality, depending on what you’re downloading), I’m having some success with Last.fm.