Songbird

Songbird from http://getsongbird.com/ is a media player. It plays audio but will in future also play video. Songbird gathers together a disparate range of features from across the Internet and plugins to provide a media player that enables "new ways to playback, manage, and discover music".

Songbird is cross platform, possibly free open source([http://blog.songbirdnest.com/2005/11/28/songbird-license/ ?) software, based on Mozilla software.

Wikipedia.

http://wiki.songbirdnest.com/Release_Notes Release Notes for all versions

/S - install silently

Reference: "Just add an /S flag after the executable name, and you should be good. (We use the open source Nullsoft Scriptable Install System for our Windows installer.)"