text: In the first episode, Vicky starts the search for her choir meeting people with different types of dementia and at different stages.
  A former drummer, Dan takes part in a cutting edge experiment to see how his brainwaves are affected when he tries to play the drums again.
  We also meet Chris, 67, and his wife Jane. Chris was diagnosed three years ago with frontotemporal dementia. This affects the part of the brain that controls behaviour making him sometimes unpredictable.