Donald Macleod's guest this week, John Adams, has said of his music that 'in a sense, all of my pieces are travel pieces - it's the way I experience musical form'. Today, the composer talks about some of his journeys in sound, about comparisons that have been made between himself and Copland, and about the health of American contemporary music. And we hear a piece named after an actual truck stop high up in the Sierra Nevada in California: Hallelujah Junction. Show less