http://bugs.winehq.org/show_bug.cgi?id=16367
--- Comment #4 from Marc Menghin marc.menghin@gmail.com 2008-12-07 07:58:43 --- I have a Microsoft Natural Keyboard. In Gnome the multimedia keys are identified as XF86AudioPlay, XF86Back, XF86Forward, ... So I guess this are standard multimedia keys.
Shortcuts like ctrl + k do work as expected in winamp.