The term 'John Musical' can be summarized by the crossword solution AIDA. AIDA is a musical written by Elton John and Tim Rice, which debuted on Broadway in 2000. It is based on Giuseppe Verdi's opera of the same name, and tells the story of an enslaved Nubian princess who falls in love with an Egyptian soldier. The musical has been performed in many countries around the world, and has won numerous awards.