foobar2000 is an advanced freeware audio player for the Windows platform. Some of the basic features include full unicode support, ReplayGain support and native support for several popular audio formats.

Changelog:
Improved performance when playing very short tracks.
Improved tag compatibility with other software.
“Album artist” is mapped to ID3v2 TPE2 like in WMP/iTunes.
Support for iTunes “itunescompilation” tags, in MP3/ID3v2 and MP4.
ID3v2.3 tags are now written by default since version 2.4 seems to be widely ignored by software vendors.
Added support for multi-value WMA tags.
Read more about tagging changes
Improved reading of MP3 encoding information headers written by alpha versions of LAME.
ReplayGain scanner now uses libebur128 for improved accuracy.

Program Information Category: Multimedia Type: Free Version: 1.1.6 Beta 4 Size: 3.08MB Works on: Windows Product page: here