“I’ve always been a stranger,” Ido Fluk told me when I met him in a near-empty conference room in a sleek, Nordic-designed hotel in Berlin this past February. It was the afternoon after the Berlin ...

For jazz aficionados, the title of the movie, Köln 75, says it all. They will know that it refers to a concert by Keith Jarrett, an improvisation that was recorded and became the bestselling solo jazz ...