Plugins for Pidgin (the IM client formerly known as Gaim) that update the status message to show the currently playing track, somehow getting it from your music player.
1. musictracker – http://code.google.com/p/musictracker/
MusicTracker is a plugin for Pidgin (previously known as Gaim) which displays the music track currently playing in the status message of various accounts such as AIM, Yahoo, MSN, Gtalk (Jabber), etc., i.e. any protocol Pidgin supports custom statuses on. Support for a wide range of audio players on both Windows and Linux platforms is planned. Currently supported players: Amarok, Rhythmbox, Audacious, XMMS, MPC/MPD, Exaile, Banshee, Quod Libet on Linux. Winamp, Windows Media Player (9+), iTunes, Foobar2000 (incomplete support) on Windows.
2. Pidgin-currenttrack – http://sourceforge.net/projects/currenttrack/
Current Track plugin will update your Gaim/Pidgin user info, available message or away message, and buddy icon from iTunes, Winamp, RealPlayer, WMP, Musicmatch, MediaMonkey, XMPlay, Yahoo! & Foobar2000 in Windows and XMMS, Rhythmbox, & Amarok in Linux.
3. Autoprofile – http://hkn.berkeley.edu/~casey/autoprofile/
AutoProfile is an extension to Gaim that allows users to create customized away messages and profiles using dynamic â€œcomponentsâ€ that automatically update on a regular basis. Generated text can include song names from XMMS/Winamp/iTunes, fortune quotes, computer uptime, the contents of a Web page or a text file, the output of a program, and timestamps.