 at the Royal Albert Hall. Be Real is one of Cypress Hill's founding members. It's been something that we've talked about for many years since the Simpsons episode first aired. The what if, like, what if we actually did that? How did it come about? It didn't actually start to come to life till a tweet happened. In 2017, the band reminded people about the episode on their social media and the London Symphony Orchestra replied, quoting some of the dialogue.