In protest of the layoff of 55 out of 62 opera singers, singers from the Israel Opera Choir gathered outside the Opera House to perform the Aria of the Hebrew...
https://www.jpost.com/israel-news/opera-singers-sing-to-protest-layoffs-649488
Opera singers sing to protest layoffs
"Similar to the Hebrew slaves about whom the work was originally written, the choir singers also mourn the destruction of their temple, the opera house."