I know that Eddie Vedder had been doing this with his other band but this is the first time I've seen PJ do this. EV starts singing but then Josh Klinghoffer sings the rest. Not bad.

https://www.youtube.com/watch?v=XDO3G-Gi10s

Edit: I dont know if you can post a YT clip anymore but there's the link.

[Edited 5/17/22 12:24pm]

That was great! Thanks for sharing.