MusicBee ~ Freeware Windows Player

Enjoy a great music experience with MusicBee, the ultimate music manager and player. Play your music the way you want. Turn your computer into a music jukebox.

MusicBee makes it easy to manage, find, and play music files on your computer. Use auto-tagging to clean up your messy music library. MusicBee also supports podcasts, web radio stations and SoundCloud integration.

Supports AcoustID, Discogs, Last.FM,
Milkdrop, ReplayGain and UPnP/DLNA

musicbee

Website
Downloads
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Wiki
Wikipedia

How to skin foobar2000: Three Tutorials on DeviantArt

The first tutorial is an overview; the second tutorial is a step-by-step guide on how to create graphic elements with Foobar2000’s drawing functions; and the third tutorial is a detailed presentation of CUI and PSS customization functions.

How to skin Foobar2000