Thus far in the lead-up to his next LP, underground beatsmith Marco Polo has unleashed collabos with living hip-hop legends Rakim (What’s Wrong) and Big Daddy Kane (Nite & Day). For single numéro trois, Back to Work, the Soulspazm / Rawkus signee has enlisted not one but two decorated hip-hop vets—namely, El Da Sensei and Tame One of Garden State crew Artifacts. Over Polo’s dynamic sample work, accented with cuts by Shylow, the partners-in-rhyme lets listeners know just how great it feels to be on their collaborative hustle once again. Like what you’re hearing? More boom-bap boardwork and legendary guests await on Newport Authority 2, the currently-unscheduled mixtape prelude to the spring release of Polo’s sophomore album, Port Authority 2.