Free Audio Players

Passion Audio Player v2.4 :-
Passion Audio Player is an media player for Microsoft Windows. It's capable of playing more than 24 various audio and video formats. The first version was released on 29 March 2002, and since then the program has turned from just an audio player to a media player.
http://www.passionplayer.com

Quintessential Player :-
Quintessential Player (a.k.a. QCD) is a feature rich media player for Microsoft Windows. It supports all popular audio formats including MP3, WMA, Ogg Vorbis, and CDs. QCD is highly skinnable and has a robust plug-in architecture.
http://www.quinnware.com

TPlayer :-
Publishers Description: PTPlayer is a free music player and mixer for mp3, wma, ogg, and wav audio files. TPlayer's main features are: Adjustable Automix Settings based on audio data to adapt to different music genres, Four different Automix sort options, One click manual mix and fade out options: Cut, Fade 2.5, 5, 7.5 and 10 seconds,Dual independent players with real time Vu meters or Waveform display and Peak indicators...More
http://pages.infinit.net/tplayer/index.htm

Winamp :-
Winamp is a feature rich popular audio and video player. It supportts most of audio formats including MOD, S3M, IT, XM and even SID audio formats. more than 10000 skins and 300 visualization plug-ins and CDDB for automatic CD audio title listing and More
http://www.winamp.com