Waterboarding is a harsh interrogation technique. Most governments have disavowed and unsanctioned its use. There is a title for a Tom Cruise movie in there somewhere. In any case, waterboarding is essentially a form of torture. And a certain airline likes to waterboard its passengers. But instead of water, they use music. And musicboarding is much, much worse.
Music is one of the most universal and wonderful things in life. Play music for a baby, and it will instinctively respond. Throughout our