Simplify the following text for a Grade 4 native English-speaking person.
Original: He was a child prodigy at the piano . From 1916 to 1926 , he studied at the Mozarteum in Salzburg , where he was encouraged to concentrate on conducting by his teacher , who detected his exceptional promise in that regard .
Simplified: In 1916 , he went to study the piano at the Mozarteum in Salzburg .