Kendrick Lamar dominated critical opinion in 2015 with To Pimp A Butterfly. The album received unanimous praise, topped a smattering of year-end lists, and it now looks as though a follow-up is about to drop.

Details of a new Kendrick Lamar album have been uploaded to Spotify, though users can’t actually access the music yet. The album is apparently titled untitled unmastered and features eight tracks named after dates between 2013 and 2016.

The release of the album’s details follows a message from the CEO of TDE, Kendrick’s record label, in which he promised that the label would be releasing a project from one of its artists some time this week.

So what’s on the album? Well, in a recent interview with 2BBZ (via triple j), the critically acclaimed emcee commented on previously unheard tracks that he’d performed on The Colbert Report and The Tonight Show Starring Jimmy Fallon.

“You see all these performances on these late night shows”, he told the station. “I got a chamber of material from the album that I was in love–where sample clearances or something as simple as a deadline kept it off the album.”

The album he’s referring to is, of course, To Pimp A Butterfly. “But I think probably close to ten songs that I’m in love with, that I’ll still play and still perform, that didn’t make the cut,” Kendrick continued.

According to Spotify, the album will be uploaded tomorrow, so we won’t know exactly what’s on the eight-track release until then, but it’s likely some of the unreleased material from the Butterfly sessions will appear.

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