MusicTracks SUB9K Unleashes New Single “2VESTS By Jack - May 9, 2018 0 967 FacebookTwitterPinterestWhatsApp Brooklyn rapper SUB9K drops an exclusive with Jake Sand titled, “2VESTS,” produced by Flexico. Flexing all over the track, SUB reminds us why he is so dominant on the mic. Check this new tune out and let us know what you think of it! LISTEN: