Sky Music has released the title song from the Sky original documentary series The Vanishing of Debbie Griggs. Available to stream/download now on all major digital music services is When the Waves Come In written and performed by Dream A Lot (Gus Crawford Collins & Kim Hayden). Also listen to the track after the jump. The Vanishing of Debbie Griggs is produced by Avalon Television and chronicles the investigation into the 1999 disappearance of 34-year-old Debbie Griggs, a pregnant mother of three who vanished from her home in Deal, Kent a case spanning more than two decades.