Buzzing Chicago phenom KB Mike unleashes the video for his new single “Pain” feat. Stunna Gambino right before your eyes. The song remains a standout from his debut EP Old Wounds, out now. Watch “Pain”:HEREListen to Old Wounds: HERE Over a piano melody, KB Mike spits straight from the heart as he recalls, “You wasn’t there for the rainy days” as Stunna Gambino rolls through with an equally impactful …