6lack

XXXTentacion's tragic death and Rich the Kid getting beat down are reminders to all artists to watch their backs, now more than ever ... according to 6lack. We got the "Prblms" rapper at LAX and asked him if the latest violent incidents will make up-and-comers in the music industry reconsider…

"Atlanta broke my heart" ... so says 6LACK, who tells TMZ Sports he's rooting for the Falcons in the NFL playoffs -- but he doesn't want his soul crushed again! 6LACK is from Atlanta and grew up a Falcons fan ... but says he's being guarded this time around because, "I think I've just been…