The project Event Music Manager (EMM) for Pharo from Benoît Verhaeghe allows us to play with music and video in Pharo. It will also be shown on ESUG 2019 conference.
Source code is available on GitHub: https://github.com/badetitou/EMM
It uses Seaside web framework and a special UFFI binding to the VLC lib which is also available on GitHub;
VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols.
Go check the trailer: