Spotify - Map shows when two people play same song at same time
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
foobar2000 - An advanced freeware audio player for the Windows platform.
Deezer - Deezer is a music streaming app created in France. It is available in 180 counties and gets 16 million users a month. 6 million of the users have paid subscriptions. Read more about Deezer.
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.