Back in 1992, the third symphony of a little-known Polish composer named Gorecki shot unexpectedly up the charts and sold a million copies. Moreover, the work “achieved more performances than any work by a living composer since the Second World War… And that was it. For the next 15 years there was nothing more was heard from Gorecki.” Now, at age 74, he has released a new string quartet, but he remains quite reluctant to talk about his music.