 The food was delivered to the band through a hatch, which also served as a way for Curtis to communicate with them.An audio link-up was also located on the other side of the bubble so that visiting musicians and fans could talk to the band or record guest spots on the record.Following the Melbourne event, the concept was licensed for development internationally by subsidiaries of Endemol, the television production company responsible for such shows as "Big Brother" and "Deal or No Deal".