Upbeat for Friday 26 August 2011

1:00 PM.Robbie Ellis speaks to the Artistic Director of the U-S based Glimmergass Festival. Audio

12:40 PM.Wellington-based American sonic artist looks at algorithmic composition and the development of machine learning. Audio

12:15 PM.Australian baritone performing the role 'Tonio' in NZ Opera's production of Leon Cavallo's 'Pagliacci'. Audio