Testify is the fifth extended play by The Knocks.

It was released on February 3, 2017, through Big Beat and Neon Gold Records.

[1] It features vocals from Sam Nelson Harris of X Ambassadors, Absofacto, MNEK, Delacey, Tayla Parx and Jerm.

On January 4, 2017, they released the trailer for their fifth extended play, which was announced under the title Testify.

A couple days later, they announced their second single from the EP, entitled "Trouble", featuring Absofacto, which is the solo project of musician Jonathan Visger; currently a member of American rock band Mason Proper.