Install gir1.2-rb-3.0 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-rb-3.0
Description:
GObject introspection data for the rhythmbox music player
Rhythmbox is a very easy to use music playing and management program which supports a wide range of audio formats (including mp3 and ogg). . This package contains introspection data for the Rhythmbox core support libraries. It can be used to write and execute plugins for rhythmbox in interpreted languages supporting it.
Homepage: https://wiki.gnome.org/Apps/Rhythmbox
Version: 3.4.2-4ubuntu1
Section: introspection