Notification sounds not working

[Bill Smithem]

Notification sounds are not working in rsibreak.

Tracked it down with the help of the developer to phonon4qt5-backend-gstreamer not being installed.

KDE Bug Ref: https://bugs.kde.org/show_bug.cgi?id=380900

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: rsibreak 4:0.12.1-1
ProcVersionSignature: Ubuntu 4.4.0-79.100-generic 4.4.67
Uname: Linux 4.4.0-79-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Jun 13 11:36:36 2017
InstallationDate: Installed on 2015-08-29 (654 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: rsibreak
UpgradeStatus: Upgraded to xenial on 2016-05-07 (401 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Igor (4eppelin)]

Affects me too

DistroRelease: Ubuntu 18.04
Package: rsibreak 4:0.12.8-2
Kernel: Linux 4.15.0-22-generic
Architecture: x86_64