Jason Martin Praises Kendrick Lamar 'Pop Out,' Says City Owes Him To Keep Peace

Jason Martin Praises Kendrick Lamar 'Pop Out,' Says City Owes Him To Keep Peace

Jason Martin, f.k.a.

Problem, was one of the select West Coast rappers to perform at Kendrick Lamar's Juneteenth Pop Out concert -- an honor he doesn't take lightly!!!