Making the world better, one answer at a time. Cats and humans have many muscles in common. Five of these are the Extensor Digitorum Lateralis, Palmaris Longus, Gluteus Maximus, Rhomboidus, and Teres Major.
The high note Christine sings (the highest note in the show) is an E, and sometimes the note strains the voice so they give the girl a break. To be more precise, in the song Phantom of the Opera with Sarah Brightman in her earliest days that end note is an off the chart E6.
The Phantom of the Opera  is a song from the stage musical of the same name.It was composed by Andrew Lloyd Webber, with lyrics written by Charles Hart and Richard Stilgoe, and additional lyrics by Mike Batt.t takes place as the Phantom escorts Christine by boat to his lair beneath the Opera Garnier. It is sung as a duet by Christine and the Phantom. At the end of the song, Christine sings her highest note in the show, an E6.