Finn Wolfhard's Band Calpurnia Performs 'City Boy' & 'Greyhound' on 'Jimmy Kimmel Live'

Finn Wolfhard is rocking out!

The 15-year-old Stranger Things actor and music star hit the stage with his band Calpurnia on Jimmy Kimmel Live on Monday night (July 23).

PHOTOS: Check out the latest pics of Finn Wolfhard

The Canadian indie-rock band performed two tracks: “City Boy” and “Greyhound.”

The band, which formed last year, features Ayla Tesler-Mabe, Jack Anderson and Malcolm Craig. Their debut EP, Scout, was released in June, and also features their single “Louie.”

Watch their performance on Kimmel below!

FYI: Finn is wearing a vintage Beatles t-shirt from Kelly Cole.