“Say So” by Doja Cat is the song that Haley Sharpe based her dance challenge on. The song was actually already known beforehand, but it went viral after Haley used it. In 2020, it has been used in about 18 million TikTok videos already. The song was also number one on the Billboard Hot 100 singles chart. Doja Cat even invited Sharpe to share the choreography in the music video for the song.