I recently returned from a visit to Porto Digital, a hub for new media companies in Recife, Brazil. I was invited to talk and give a one day workshop on sound for interactive installation as part of a week-long series of training opportunitiesfor local sound designers and artists. The event was sponsored by the Department of Trade and Investment, through the British Consulate in Sau Paulo, and focussed on sound and music for film, games and interactive installation. The workshop included practical work with camera sensing techniques (colour tracking and frame differenceing) and gestural control using wii controllers. The day ended in style with a roughy hewn but entertaining performance of Frevo, a local dance, with a colour tracked umbrella!