Hum by Rob Ulitski
Have you ever had a song stuck in your head for so long, that it felt as if it was burrowing deep into your brain? Marty Jenkins has, and after trying - and failing - to discover the origins of a track for weeks, he kidnaps three music industry workers and puts them through a harrowing ordeal to get to the bottom of the mystery. But no-one could have predicted what came next...
