Install banshee-extension-appindicator by entering the following commands in the terminal:
sudo apt update sudo apt install banshee-extension-appindicator
Application Indicator extension for Banshee
This package provides integration for Banshee with Application Indicators, which is a replacement for the notification area in Ubuntu, as a way to add menus in the panel. . Banshee is a media management and playback application for the GNOME desktop.