Later headphone concerts used specially designed wireless 3-channel headphones , better in-house custom made transmitters and no speakers or any live PA in the venue . Major events hosting headphone concerts included the 2005 Glastonbury Festival , 2010 Shift Festival in Switzerland , the 2011-12 Van 's Warp Tours across North America , Sensoria 2012 in Sheffield , UK , the 2012 Bonnaroo Music Festival in Tennessee and the Hoxeyville Music Fest in Michigan . In 2012 , Kid Koala performed a " Space Cadet Headphone Concert tour " around the world
Sensoria 2012
Sensoria Music & Film Festival
Silent disco