Michael Berkeley talks to the American-born novelist Douglas Kennedy , who shot to international fame with The Big Picture and The Job and has just published his fourth novel, The Pursuit of Happiness. A keen music-lover, his choices today include a mass by Thomas Tallis , Angela Hewitt playing Bach, the catalogue aria from Don Giovanni , and works by Shostakovich, Stravinsky, Webern and Frank Zappa. Executive producerWendy Thompson Repeated tomorrow at 3pm