07 Nov 2015 version 3.7 was released - http://audacious-media-player.org/news/36-audacious-3-7-released but no ebuild, even keyworded :(
Simple rename works well
Created attachment 422594 [details] some corrections in ebuild in order to have no problem with qt5 for me
Created attachment 422596 [details] some corrections to audacious-plugins in order to have no problem with qt5 for me
Both ebuilds from comment 2 and comment 3 work fine for me as 3.7.1 with gtk3.
Ebuilds were submitted through Github by RobinDX.