About
A GIF with sound occurs when a user pairs a GIF that seems to move in perfect time with an audio clip uploaded above or beneath the GIF.
Origin
Spread
Buzzfeed first compiled a list of GIFs with sound on January 18th, 2013[1], then another on March 5th, and a 3rd on April 25th.[3]
http://www.buzzfeed.com/sludgepunkslimeharpy/23-perfectly-paired-songs-and-gifs-82dk
http://www.buzzfeed.com/kevintang/15-mesmerizing-gif-and-song-pairings
http://www.buzzfeed.com/kevintang/10-perfectly-paired-songs-gifs