Salzach

 was a river that flowed through Salzburg in Austria. (PROSE: Do You Believe in the Krampus?)

Shortly after Wolfgang Amadeus Mozart's birth in 1756, Antonio Salieri tried to drown him to prevent Mozart from eclipsing him as a composer. The Seventh Doctor talked Salieri out of it. (PROSE: The Tramp's Story)

On 5 December, Bruno Werner planned to drown himself in Salzach so that his insurance would be enough to pay the rent for his wife Antonia and daughter Maria. The Eighth Doctor talked Bruno out of it. (AUDIO: Fairytale of Salzburg)