Little Brother is officially back.

It's been almost 10 years since Phonte and Rapper Big Pooh came together for a Little Brother album. That album was The Leftback and it was released in 2010. For years, many assumed it would be the last Little Brother album.

It wasn't.

READ: What it Was Like to Watch Little Brother Reunite at the Art of Cool Festival in North Carolina [RECAP]

On Tuesday, August 20th, Little Brother released their surprise new album May the Lord Watch. It is literally an album released with one day's notice. The 15 track album features contributions from Black Milk, Khrysis, Nottz, Focus, Devin Morrison, Blaaq Gold, and more. Missing from this album is 9th Wonder, who did not contribute.

WATCH: Little Brother Charts the Origins of The Listening in a New Mini-Doc 

On Instagram, both Phonte and Rapper Big Pooh wrote posts dedicated to their reunion:

To think, this all started with a festival in North Carolina. Stream May the Lord Watch below.