Audacious extras

To control audacious from the command line use: audtool

If audacious is a bit quiet go to Preferences -> Replay Gain and set the default gain to 0.00

To get files to enqueue (rather than clearing the playlist when you double click an mp3), right click an MP3 in Nautilus / Thunar, do open with and then enter the custom command: audacious -e