Audacious is an advanced, feature-complete music player for GNOME using GTK 3, that bundles a significant number of options, a clean interface, support for real-time audio effects, visualization, equalizer, lyrics and other plugins, themes (including Winamp Classic style with installable skins), powerful configuration options and multiple playlists organized in tabs.

Audacious is a GTK music player similar with the older XMMS (X Multimedia System) player. Ubuntu 9.04 ships with Audacious 1.5.1, which is a little old. However, you can easily install and set up the latest Audacious (currently 2.1) following the steps below:

Audacious is a powerful audio player for Linux which resembles the older XMMS, only using GTK2 toolkit for its interface. It supports XMMS and implicitly Winamp 2.x skins, coming with support for various audio formats, including MP3, Ogg Vorbis, FLAC (Free Lossless Audio Codec) or WMA (Windows Media Audio).

Audacious is a free, lightweight advanced audio player based on GTK2 which runs on Linux and many other *nix platforms and is focused on audio quality and supporting a wide range of audio codecs. Ubuntu 9.04 Jaunty Jackalope comes with Audacious 1.5.1 while version 2.1.0 is already available for download so if you really like Audacious, I bet you can't wait to upgrade.

Songbird is a opensource Media Player and a web browser, from the developers of wimamp and Yahoo Music Engine. Songbird is a cross platform utility can be used in Windows, Linux, Solaris and Mac. Like Winamp, it supports extensions and skins feathers. It supports a variety of file formats and is an excellent option for organizing your music files in your system.

Qmmp (Qt Multimedia Player) is a Qt-based audio player for Linux which resembles the appearance of XMMS (and Audacious for that matter), so users of these two players which want to have a player which integrates well in KDE will probably want to give it a try.

Songbird is a media player built on Mozilla that is often described as the Firefox of media players because of the growing number of plugins and feathers (skins) that can be applied to the player.

Review of the 10 most used audio players: Amarok, Rhythmbox, Audacious, Banshee, Exaile, Beep Media Player, JuK, Quod Libet, Listen, Songbird.

"The Songbird media player is a cross-platform media player that is based on the gecko browser engine. Songbird enables you to use add-ons and skins feathers just like you can in your Firefox web browser, and combines the the most useful parts of the browser into a fully-featured music player.