I have now added using my virtual switch (On/Off Button Tile + Big Switch App) and my new “Big Talker” app to speak “Merry Christmas” through “VLC Thing” pointed at instances of VLC running on a Windows computer and a Raspberry Pi.
Big Talker SmartApp: [OBSOLETE 1.1.6 5/25/16] Big Talker - Talk when events occur
VLC Thing: VLC Thing. A Poor Man's Sonos. Version 2.0 Released 12/22/2016