I have installed ubuntu-restricted-extras but still mp3 format can't be played through rhythmbox The error coming is:

REQUIRED PLUGIN IS NOT FOUND :: Rhythmbox requires to install plugins to play media files of the following type: MPEG-1 Layer 3 (MP3) decoder


Try the following, you will need to open Terminal:

sudo apt-get purge ubuntu-restricted-extras

Enter your password when prompted, then press Enter again to complete the action

That will remove the Ubuntu Restricted Extras package, now you will need to reinstall it:

sudo apt-get install ubuntu-restricted-extras

Now you have reinstalled the Ubuntu Restricted Extras package, could you please launch Rhythmbox and try playing a track.


You can always install vlc which is a good and popular Media Player having support for many file formats.

vlc can be installed by entering these commands in Terminal

sudo apt-get install vlc

Then you can run your .mp3 file with vlc

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