DeaDBeeF is an audio player for GNU/Linux systems with X11.It is mainly written by Alexey Yakovenko, with contributions from a lot of different people (see about box in the player for more details).
Main features:
* mp3, ogg vorbis, flac, ape, wv, wav, m4a, mpc, tta, cd audio (and many more)
* sid, nsf and lots of other popular chiptune formats
* ID3v1, ID3v2.2, ID3v2.3, ID3v2.4, APEv2, xing/info tags support
* character set detection for non-unicode id3 tags – supports cp1251 and iso8859-1
* unicode tags are fully supported as well (both utf8 and ucs2)
* cuesheet (.cue files) support, with charset detection (utf8/cp1251/iso8859-1)
* tracker modules like mod, s3m, it, xm, etc
* HVSC song length database support for sid
* gtk2 interface with efficient custom widgets
* no GNOME or KDE dependencies
* minimize to tray, with scrollwheel volume control
* drag and drop, both inside of playlist, and from filemanagers and such
* control playback from command line
* global hotkeys
* multiple playlists
* album artwork display
* 18-band graphical equalizer
* metadata editor
* user-customizable groups in playlists
* user-customizable columns with flexible title formatting
* radio and podcast support for ogg vorbis, mp3 and aac streams
* gapless playback
* plugin support; bundled with lots of plugins, such as global hotkeys and scrobbler; sdk is included
* duration calculation is as precise as possible for vbr mp3 files (with and without xing/info tags)
* was tested and works on x86, x86_64 and ppc64 architectures. should work on most modern platforms

Install DeadBeef:

For Ubuntu 9.10 and higher user,install DeadBeef from PPA by following commands in Applications->Accessories->terminal:

sudo add-apt-repository ppa:alexey-smirnov/deadbeef
sudo apt-get update
sudo apt-get install deadbeef

Alternatively,get DeadBeef from its download page