У вашего броузера проблема в совместимости с HTML5
http://www.dolphinstreet.com A comparison of the Dunlop Crybaby, EVH Crybaby, Fulltone Clyde Wah, and EX-7 with 2 wah models (Crybaby and Vox McCoy). Using a Marshall JVM 410H on the Clean channel, Orange mode. A Maxon SD-9 was added before the wah pedals. Guitar used, a Suhr Classic with Suhr V60LP single coil pickups. Played by Robert Renman.