It's described as the biggest indoor production of all time, and requires 40 trucks to transport it � but Trujillo wants to see those vehicles on the road after the band have recorded their new album next year.

"Well, that's the plan. I don't think you build something that incredible and not share it with the world," He reports. "We're just trying to get through this phase of the journey and release this beast to the world. After that we'll see where the adventure takes us.

"We do have this stage � we should put it to use."