On Friday night, Hot 97 hosted an old school beat battle between famed hitmakers Just Blaze & Swiss Beat that was streamed on Instagram Live for fans to follow along to. The two veteran beat makers went head to head for about two & half hours, playing songs from their extensive catalogues from over the years, including some other random ones. Of course, many fellow artists & industry heads were in the building to see the magic down live, including the likes of Busta Rhymes, Alicia Keys, Cassidy, Genius’ Rob Markman, RapRadar’s B. Dot, and more.

While the entire event looked dope, with both producer doing live drums & chopping, what people are talking about most is the secret weapon that Swizz pulled out of the vault… an unreleased song by DMX that features Jay Z, Nas and Jadakiss. It's unclear if it's an older track, or something new that's recorded for X's forthcoming comeback album, either way it appears all 4 NYC artists are on the same song together, and it sounds fire.

The entire show can be re-watched (for now) below, as well as more importantly the DMX song (top clip). Check it out and let us know hat you think. 

[Via]