While on home wifi network, open the Savant app.
Select desired music server.
Select the room(s). When the Savant asks what Internet source music to play, minimize app and open music app of choice with Apple Device (iPhone, iPad).
Look for Airplay button – . On Pandora, its currently on the bottom right
Press the airplay button. Select the Savant Host music server.
For volume control, minimize the music streaming app and maximize the Savant App. Airplay data will be shown via the Savant App.

Images below are demo of Lanza AV Savant Host. Name of music server, rooms and options may vary.

While on home wifi network, open the music app of choice with Apple Device (iPhone, iPad).
Look for Airplay button – . On Pandora, its currently on the bottom right.
Press the airplay button. Select the device you would like to play the music.
Use the volume rocker on the side of device to control volume.