Lo que tú Quieras Oír (2006)

Lo que tú Quieras Oír (Whatever You Want To Hear) is a Spanish language short drama by Guillermo Zapata added to YouTube on March 26, 2006. The video is notable for being the most-watched non-English video on YouTube, the third most-viewed video excluding music videos, and the twelfth most viewed of all time, with over 100 million viewings.

More at Wikipedia.