The five companies are the National Theatre of Scotland, the Royal Scottish National Orchestra, Scottish Ballet, the Scottish Chamber Orchestra and Scottish Opera.

BBC: National performing companies debate 1

The new building will also house Glasgow City Council's music education service and will be used by music organisations such as Celtic Connections and the Scottish Chamber Orchestra.

BBC: The City Halls combines a number of performance spaces

The Scottish Chamber Orchestra then takes over on Sunday night for one of the biggest live concerts in the world, as many tens of thousands of people watch its fireworks concert at Edinburgh Castle.

BBC: Moolah maestro, please