plasma-widget-playwolf software package provides Controller and a visualizer plasma widget for Amarok, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install plasma-widget-playwolf
plasma-widget-playwolf is installed in your system.
Make ensure the plasma-widget-playwolf package were installed using the commands given below,
$ sudo dpkg-query -l | grep plasma-widget-playwolf *
You will get with plasma-widget-playwolf package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | KDE |
| Package | plasma-widget-playwolf |
| Version | 0.8.1-0ubuntu2 |
| Description | Controller and a visualizer plasma widget for Amarok |
| Sub Section | KDE |