- The music video itself. Sometimes, the backing dancers are credited in the music video's credits.
- The artist's website or social media. The artist may post about the music video and mention the backing dancers in the caption or comments.
- Dance websites and forums. There are many websites and forums dedicated to dance, where you can find information about backing dancers. Some popular websites include Dance Spirit, Dance Informa, and Dance Magazine.
- Google search. You can also try doing a Google search for the music video and the term "backing dancers." This may bring up articles or blog posts that mention the backing dancers.