Imagine you've spent a lot of time and money setting up a one-off gig in a historic castle, for a select audience, with the aim of recording and videoing the performance for future release. Then disaster strikes: catastrophic equipment failure leaves you with half a gig on multitrack tape, and major rebuilding work is needed later in the studio. Phil Bates mixes some cement, rolls up his shirt sleeves and tucks his pencil behind his ear...