Xion Audio Player much like Winamp, is a skinnable high fidelity audio player (Free Music Player). Some key features include streaming MP3/OGG internet radio, gapless audio playback, presets for a 10 band equalizer, customizable hotkeys, dock able system tray support and more.
Winamp is probably the most popular MP3 player (Free Music Player) available. Originally created by Nullsoft, Winamp is also known as the Ultimate MP3 Player.
XMPlay is a win32 portable audio player that was originally introduced in 1998 to support the XM audio format. Today, like many audio players (such as Winamp) , it supports your typical CDA, IT, OGG, MO3, MP1, MP2, MP3, MTM, MOD, WMA, WAV, XM, S3M, UMX audio formats.