5. Oklahoma!

At last, we talk about the most important musical of all time, Oklahoma! The first Rodgers and Hammerstein musical, Oklahoma! was the start of the golden age of musical theatre, and every musical since then exists in the genre Oklahoma crystalized. We'll talk about why the show was so important, play you some clips, read you some scholarly quotes, and talk about how well it holds up. And we'll rank it alongside the other musicals we've reviewed!