Winamp supports MP3, CD, Audiosoft, Audio Explosion, MOD, WAV and other audio formats, custom appearances called skins, plus audio visualization and audio effect plug-ins. It is a freeware audio and video playing application that's customizable, easy-to-use, modern, portable and attractive.
Here are some screenshots to illustrate the features and user interface of this application:
AIMP
Clementine Player
Mixxx
Qmmp
Spotify