"It's like a, i've got this super computer in my head phones. It sounds amazing," he says. "I wonder if i can actually make it, make you hear it." 'If i open the heada, take the head phone out, you might be able to hear nobec,' Dave adds. "'You'll just have to take my word for it' is what I say", Luke replies. The full interview will appear on Friday night at 10pm on Radio 4 and 11pm on BBC1.