Which celebrity endorsement is credited with saving the 2009 Broadway revival of 'Hair' from early closure by boosting ticket sales by over 140% after a single appearance?

The performing arts world has seen some powerful collaborations between productions and celebrity endorsers that helped transform shows into cultural phenomena. From Hollywood stars lending their voices to Broadway musicals to renowned performers becoming the face of theatrical productions, these endorsements have significantly impacted ticket sales and public awareness. Test your knowledge about some of the most influential endorsement partnerships in performing arts history!

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Diane Sawyer featuring the cast on Good Morning America
Oprah Winfrey highlighting the show on her talk show and bringing her entire audience to a performance
Neil Patrick Harris promoting the show through a series of viral videos
Lady Gaga's Twitter campaign calling it her 'favorite revival'