53. Trololo Sing Along
Year: 1976; posted 2009
The laughing section of this Soviet-era pop song hit YouTube at the tail end of 2009. In early 2010 the video became popular on Reddit and was subsequently published by Buzzfeed and The Huffington Post. A number of video, image and audio tributes have resulted since. The video has also been used for bait and switch Rickroll pranks.