Wait For It. More than just one of the best songs in Hamilton—that Aaron Burr has soul!—those words signify how long fans around the world have waited to see Hamilton performed. Not everyone could afford a ticket at the height of the musical’s popularity or lived near a city where the touring show has visited. Yet now, in times when the lights across Broadway are out, we all can be in the room where it happens.

Thanks to Disney+, and the $75 million the Walt Disney Company shelled out for the rights, a filmed performance with the original Broadway cast of Hamilton is here. For the diehards who’ve listened to the original Broadway cast recording hundreds of times, it’s like seeing old friends when Anthony Ramos as John Laurens, Daveed Diggs as Marquis de Lafayette, and Okieriete Onaodowan as Hercules Mulligan walk into a bar. But...