You know when you're sitting around with your buddies, just chillen, and you start singing along to a favorite record and everyone has a great time?

Well, if you're Beck, your buddies are people like the Liars, intensely-staring chanteuse St. Vincent, and Tropicalia legends Os Mutantes, and instead of singing along everyone plays and sings in cover versions of entire albums!

That's what St. Vincent (aka, Annie Clark) reported today via Twitter (as Pitchfork reports):

In a post on her Twitter earlier this afternoon, St. Vincent leader Annie Clark revealed that she'd recorded a Record Club with Beck, Liars, and Brazilian tropicalia legends Os Mutantes last week: “It will be online soonish. Serious fun.” She did not reveal which album that particularly badass crew had recorded.

Thus far, he's done the Velvet Underground's The Velvet Underground and Nico with Nigel Godrich and Giovanni Ribisi, Leonard Cohen's Songs of Leonard Cohen with MGMT and Devendra Banhart, and, most recently, Skip Spence's Oar with Wilco, Feist, and Jamie Lidell. And the next one should be a hell of a thing.

Did they do Os Mutantes' glorious first album? The equally amazing Tropicalia compilation? Something by Prince? Dylan? Sinatra?

Any guesses or tips, much appreciated. Insiders encouraged to apply.

From a previous Record Club, a very special highlight:

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