Determine if the sentence is true based on the text below:
David Krakauer has been playing the clarinet for 50 years.

David Krakauer (born September 22, 1956) is an American clarinetist raised and based in New York, NY. He is known for his work in klezmer music as well as classical music and avant-garde improvisation. He is also considered an accomplished jazz player.
It's impossible to say