RMP allows remote control over playing your music files on a Linux computer. The music can be controlled via a Web interface, a smart cellphone, iPhone, Blackberry, or through a command line shell interface. If you like the song, you can download it to your phone. It supports next, searching, and volume control.
Livetube player, originally created for Livetube.fm DJs, allows you to make bulk queries to YouTube and Last.fm, share videos to Facebook/Twitter, access Youtube playlists, and watch videos in fullscreen. If you feel ready, you can also become a DJ yourself with your own live event.