In support of Tate Modern’s symposia ‘Speaking Out: The Spoken Word in Artistic Practice’, Sound-Artist David Toop will be presenting and performing in the 19 person strong improvisation group ‘Unknown Devices’.

The collective made up of players of mostly limited experience, predominantly using laptops as musical instruments, will be performing 4 pieces in the Turbine Hall at Tate Modern. The performance is totally free and booking information and prices for the rest of the symposium can be found here.