Patrik Lechner's qua4
This TouchDesigner showcase project was published by Derivative in 2013.
Patrick Lechner's qua4 The latest real-time generative audio-visual composition from Patrik Lechner qua4 premiered in Vienna at the Velak Gala earlier this month. qua4 consists of a sequence of recorded realtime TouchDesigner works, edited in TouchDesigner with more realtime "stuff" added over top.
Programme information from Derivative (TouchDesigner) Community. Short excerpt quoted for reference; see the original page for full text, images and credits.