From catchy songs to hilarious viral videos, YouTube is home to some of the most viewed videos of all time. If you're looking for the secret sauce of the most viral videos on the planet, you might want to check out some of these videos. Don't worry, we are doing some of the work for you by breaking down what helped make these videos the Most Viewed Indian Non Music Video on YouTube.

See You Again by Wiz Khalifa with Charlie Puth - 4.08 billion YouTube views

See You Again is the title song of the movie Fast and Furious 7. One of the stars, Paul Walker, died in an infamous car crash shortly before its release. The song and music video are a tribute to Paul Walker and his journey in the Fast and Furious series. If you watch the comments on the video, you'll see several notes on Paul Walker, suggesting the video has gone viral due to his sudden death. The song in the video was also popular enough to earn a third place in the Billboard Hot 100 for 2015. The sad tone of the song and video makes it worth watching over and over again. Emotions can play a big role in helping to make a video go viral. Anyone can understand the pain you feel when you lose a loved one, which helps make this video one of the most viewed YouTube videos of all time