![19 Presents Just For Laughs Chicago 2011 Improv Everywhere Mp3 Experiment Photos & High Res Pictures - Getty Images 19 Presents Just For Laughs Chicago 2011 Improv Everywhere Mp3 Experiment Photos & High Res Pictures - Getty Images](https://media.gettyimages.com/id/132799698/photo/participants-attend-improv-everywhere-mp3-experiment-during-tbs-presents-just-for-laughs-at.jpg?s=612x612&w=gi&k=20&c=J_WRYrkuqHFZ__V4EFgfiI_isgJo23rWb5dNnDD3l3s=)
19 Presents Just For Laughs Chicago 2011 Improv Everywhere Mp3 Experiment Photos & High Res Pictures - Getty Images
Improv Everywhere on X: "Just announced: The Mp3 Experiment returns on Saturday, June 18. Save the date! https://t.co/w78NwJ1A0d" / X
![NYC-based improv/prank group to visit CWRU April 17; “MP3 experiment” to take place on quad The Daily The Daily NYC-based improv/prank group to visit CWRU April 17; “MP3 experiment” to take place on quad The Daily The Daily](https://dailymedia.case.edu/wp-content/uploads/2012/04/18143323/improv-everywhere.jpg)