While the PanelsUI craziness just stopped, it’s coming back with Panel Stack Splitter and EL Playlist, and it’s inside Columns UI.
The titleformat language was clearly NOT designed for interface purposes, but you have to admit : having that level of control over your player is “cool”.
For a striking example, see this :
http://www.hydrogenaudio.org/forums/index.php?showtopic=67465
Also, nice blog.