$ sudo apt-get update
$ sudo apt-get install mopidy-scrobbler 

mopidy-scrobbler is installed in your system.

Make ensure the mopidy-scrobbler package were installed using the commands given below,

$ sudo dpkg-query -l | grep mopidy-scrobbler *

You will get with mopidy-scrobbler package name, version, architecture and description in a table

mopidy-scrobbler package basic information: