Woa! I'm making a really nice media player.
rigth now it is skinnable and you can change color sheme.
It support many media formats as MP3,OGG,WAV,WMA,SPC,NSF,AAC,etc
It has audio visualization support. you can write your own visulations, skins and modules in gml. Modules and visualitions can be written in other languages like c++ and pascal(using DLL-files).
Its core is Based on SXMS2 By shaltif -> http://shaltif.shawn64.com/
I hope that this become very useful