The "Baby Shark" song was popularized by a video produced by Pinkfong, an education brand under South Korean media startup SmartStudy, titled "Baby Shark" (Hangul: 상어 가족; RR: Sang-eo Gajok; lit. shark family) released on November 25, 2015, which has garnered over 148 million views as of December 2018[update]. This version of the song starts with bars from Antonín Dvořák's Symphony No. 9 which are reminiscent of music from the movie Jaws. The song features a family of sharks which go hunt a school of fish which escape to safety. It became a viral video in Indonesia in 2017, and throughout the year it spread to many other Asian countries, particularly those in Southeast Asia. The mobile app was among the top 10 most downloaded in the family apps category in South Korea, Bangladesh, Singapore, Hong Kong and Indonesia in 2017. As of December 2018[update], the dance version of the "Baby Shark" song, uploaded on June 17, 2016, has received over 2 billion views worldwide, making it the 27th most viewed video on YouTube.