Green Day's Billie Joe Armstrong has posted another hint that his band may be in the studio recording what seems to be a follow-up to 2012's album trilogy. This January, there was a cryptic photo of him behind a vocal mic. Now, we have something a little more telling: an Instagram video of the recording studio, complete with drummer Tre Cool behind a kit. Sure does look like something is happening in the Green Day camp. Check out the video, and let us know your theories in the comments.

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A video posted by Billie Joe Armstrong (@billiejoearmstrong) on

The aforementioned trilogy, ¡Uno!, ¡Dos!, and ¡Tré!, is latest album campaign from Green Day with the exception of 2014's Demolicious, a compilation of demos. On Dec. 24 of last year, the band surprised fans and the entire scene by dropping a new Christmas single out of the blue.

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