There are two bands named viva Voce:
These are photos from concerts where Viva Voce played, so they may be of other bands that played the concert as well.
Bumbershoot 2007 Sep 1 - 3, 2007 Seattle, Washington, United States Uploaded by Edwin
Lollapalooza 2007 Aug 3 - 5, 2007 Chicago, Illinois, United States Uploaded by Kumo
Lollapalooza 2007 Aug 3 - 5, 2007 Chicago, Illinois, United States Uploaded by Josh5180
The Polyphonic Spree
Silverchair