Westh2o published this video in 2011, but it has only hit the viral video scene recently.

While diving in the ocean, a group of divers had a surprise encounter with a humpback whale. The song of the whale can be heard throughout the clip, but it only appears visible for a few moments. 

Blaise Freeman adds, “The whale appears suddenly and then disappears as quickly, giving you a sense of how freaking huge the ocean is!”