Text: In this week's episode: Simon Denny and Matt Goertzen talk about the 'Secret Power' installation at this year's Venice Biennale, before Eva chats to New Zealand String Quartet cellist Rolf Gjelsten about performing as a soloist.Text: In this week's episode: Simon Denny and Matt Goertzen talk about the 'Secret Power' installation at this year's Venice Biennale, before Eva chats to New Zealand String Quartet cellist Rolf Gjelsten about performing as a soloist. Text: In this week's episode: Simon Denny and Matt Goertzen talk about the 'Secret Power' installation at this year's Venice Biennale, before Eva chats to New Zealand String Quartet cellist Rolf Gjelsten about performing as a soloist.