What do the number one Billboard pop hits Baby One More Time, It’s Gonna Be MeRaise Your GlassTeenage Dream, and We Are Never Ever Getting Back Together have in common besides being from the late 90’s and 2000’s?

Even though they were ‘from’ different artists, they were all written by the same guy. 

According to musical YouTuber Boyinaband, that man is the biggest secret in the music industry