Who used music therapy to soothe troubled King Saul?

David

In "The Wizard of Oz", what is used to defeat the Wicked Witch of the West? What fish climbs trees using modified pelvic fins as 'suckers' Since which decade did Thanksgiving become commonly associated with televised football games? Who was Count Dooku's Jedi Master before he left the Order? What device is used for viewing underwater objects?