"It’s always really hard for me to describe the album while I’m still making it," added the Icelandic artist

The new version is titled ‘Symphony One’

The movie arrives next spring

Kicking off in Cardiff, finishing in London, dates begin mid-November next year

The event took place at the city's Avicii Arena

They're heading to Castlefield Bowl and London's Royal Albert Hall for two special shows

London's Southbank Centre will host the one-off performance in January

Running the gamut from classical to hip hop, the event will be held at the recently renamed Avicii Arena 

Featuring Wendy Carlos, John Carpenter, Philip Glass, Giorgio Moroder and more

Hamrahlíð Choir, Icelandic Symphony Orchestra, and Viibra flute septet are involved