Messa di Voce is a concert
performance in which the
speech, shouts and songs
produced by a pair of
abstract vocalists are
radically augmented in
real-time by custom
interactive visualisation
software. These images
are from an installation of
the piece at CyberArts
2004 O.K. Centre for
Contemporary Art, Linz,
Austria (Prix Ars
Electronica Exhibition).