Ob1 of Unveiled Hip Hop and Joey BADA$$ – Survival Tactics Freestyle. BEST RAPPERS EVER! MIXTAPE! Posted June 17th, 2017 Submitted by Daniel & filed under Essential Survival Items. This is a Balls on yo Grill Freestyle. Lyrics by OB1. Beat by Pro Era. Track Mastered by the Wonderkidd. Enjoy what’s poppin! REAL HIP HOP LIVES!