Lately, Blu‘s been hellaciously busy on the collaborative tip; fresh off the release of his and Nottz‘s Gods in the Spirit EP, he’s currently working with MED on The Burgundy and, to top it all off, he’s partnered with Los Angeles-based newcomer CookBook to craft another joint EP. If the rapper/producer’s got too many irons in the fire, though, you wouldn’t be able to tell from the last-mentioned project’s lead single, a Booth-exclusive world premiere. On the contrary, both he and Cook excel on We Swear, a vibrant throwback banger featuring guest rhymes from the Yancey Boys’ Frank Nitt. Like what’s you’re hearing? If your answer is “Yes,” you’ll want to keep it locked for the latest on Blu and CookBook’s EP of the same name, set to drop digitally December 17.