He is the capital's last formally trained opera warrior, a king of the stage.
She is a viral internet sensation who burst onto the scene in the age of online traffic, earning three million for a single line sung in an operatic style.
They should have been two lines that would never cross, until one rainy night, when she sang on livestream the very opera his master had forbidden him to sing before he died.
And, while we're at it, let's learn a little about China's traditional arts.
