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Boom is an easy to use audio player intended for casual computer users who do not wish to spend their time on figuring more sophisticated software out. All of its most important features are easily accessible out-of-the-box.

Noteworthy features:
No installation or administrator rights required! Just download and run.
Gapless playback of properly encoded files. Enjoy smooth transitions between tracks.
ReplayGain support.
Contents of your music folders are shown, in a convenient structured genre/artist/album/song view.
By default, contents of "my music" folder or Windows Music library folders are shown. You can configure Boom to index music from any other folders though.
You can install Boom to removable media and have it index contents of the folder it is installed in.
Are your files badly tagged or missing tags alltogether? No problem, Boom can browse your music library by its folder structure.
Supports variety of popular audio formats, including: MP3, Ogg Vorbis, FLAC, Musepack (MPC), WavPack, WAV, AIFF, MP4/M4A, WMA.
For emergency tagging needs, Boom includes a simplified version of the foobar2000 Properties dialog.
Easily configured to run from removable media.
Multilanguage support.

Version 1.0.14 highlights:
Corrected stuttering playback problem on Windows XP.
Various performance optimizations.
WAV file handling bug fixes.

Version 1.0.16 highlights:
AIFF tagging support.
Improved usability on Windows 8 tablet devices.