Watch Lin-Manuel Miranda, Josh Groban, cast of 'Hamilton' celebrate 'Sweeney Todd'

Watch Lin-Manuel Miranda, Josh Groban, cast of 'Hamilton' celebrate 'Sweeney Todd' Enlarge this image toggle caption Jennifer Vanasco/NPR Jennifer Vanasco/NPR Some fans had been waiting for four hours. Enlarge this image toggle caption Jennifer Vanasco/NPR Jennifer Vanasco/NPR "We wanted to send an enormous congratulations to the Tony-nominated Sweeney Todd across the street... directed by the great Tommy Kail. Enlarge this image toggle caption Jennifer Vanasco/NPR Jennifer Vanasco/NPR Sweeney Todd: The Demon Barber of Fleet Street, written by Stephen Sondheim, is about an English barber who's also a serial killer. The first one starred Miranda and Hamilton music director Alex Lacamoire: YouTube Ham4Ham tapered off toward the end of 2016 and now the performances happen only occasionally.