Every year for the last few years Sydney has hosted the Vivid Festival at the Sydney Opera House. Each year is curated by a different artistic director, the inaugural season was presented by Brian Eno. I went to a few things in that festival; The Necks playing 'pit band' to a dance piece and most interestingly the three consecutive concerts held on the final night where Brian Eno, The Necks and a number of other artists from the festival presented entirely improvised soundsca