Biography of Ronner Petra:
Petra Ronner was born in Zürich. She studied with pianist Werner Bärtschi. Extended teaching and playing activities, mainly with contemporary vocal and instrumental chamber music "Composed concert programs" with English countertenor Christopher Robson for various international festivals Solo performances, among others "Sonatas and Interludes for prepared piano" by John Cage. She performed numerous commissioned works from Swiss and German composers.She contributed sound conception-work for many theatre performances and did sound installation in various context. From 1996 to 1999 she participated the contemporary music concert organisation group at Rote Fabrik Zürich and is running her own offshoot- concert venue.