Two Shell have shared a surprise new EP, a five-song collection titled Lil Spirits. Listen to all of it at the duo’s website, shell.tech, by entering “passcode” in the landing page’s text box.

Lil Spirits follows last year’s Icons EP, another five-track set that followed the digital release of their 2021 single “Home.” The London duo—who have maintained a tight seal of secrecy about their real identities—have not yet announced any plans for a full-length.

Find Icons on Pitchfork’s list of the Best Electronic Music of 2022, and read more about Two Shell on the list of “25 New and Rising Artists Shaping the Future of Music in 2023.”