$ sudo aptitude purge audacious 
The following packages will be REMOVED:  
  audacious{p} 
0 packages upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 1621 kB will be freed.
The following packages have unmet dependencies:
 lubuntu-desktop : Depends: audacious but it is not going to be installed.
The following actions will resolve these dependencies:

     Remove the following packages:                   
1)     lubuntu-desktop                                

     Leave the following dependencies unresolved:     
2)     audacious-plugins recommends audacious (>= 3.5)


Accept this solution? [Y/n/q/?]