Endgame: Bobby Fischer's Remarkable Rise and Fall - from America's Brightest Prodigy to the Edge of Madness

by Frank Brady

After about a year, though, he concluded that the amount of time he was spending practicing the accordion was impinging on his chess studies. “I did fairly well on it for a while,” Bobby said, looking back, “but chess had more attraction and the accordion was pushed aside.”

Bobby Fischer from "End Game"