How many ten-year-olds form a string quartet which goes on to world renown and lasts for half a century (and counting)?In the industrial heartland of the North East, Middlesbrough is frequently dubbed the arsehole of England, the least-desirable place to live. Yet there, in the seventies, was a thriving classical music scene out of which emerged the world-famous Brodsky Quartet who, now approaching their 50th anniversary, have built a starlit reputation...