1 QMPDClient is an easy to use MPD client written in Qt 4.
9 - Storing & using playlists
10 - Last.fm track submission
11 - Tray notifications (Freedestop too)
12 - Skinnable interface with iconsets
13 - Shoutcast (unstable, see shoutcast branch in git)
16 WWW: http://bitcheese.net/wiki/QMPDClient