Violinist Jennifer Koh talks about her relationship with Witold Lutosławski's Chain 2: Dialogue for Violin and Orchestra (1984–85), which she will perform with the Philharmonia Orchestra on 21 March 2013 at the Royal Festival Hall in London."The thing that satisfies me now - in every respect – is Chain 2." - Witold Lutosławski. Part of the Philharmonia Orchestra's series Woven Words: "Music begins where words end". Explore the series’ digital resources at www.philharmonia.co.uk/lutoslawski