J. Cole kicked off his Born Sinner web series last week with his mom documenting the day Cole was able to get her to retire. Click here to watch episode 2, which features Kendrick Lamar deeply reflecting on music. He explains why it's a sin for him and Cole not to rap, recollects a question Erykah Badu asked him, and talks about the change that happened when his album dropped. All the while, the background subtly follows Lamar's thoughts. Cole's sophomore LP, Born Sinner, drops June 25.