Kendrick Lamar performs "ADHD" at Pitchfork Music Festival 2012.

Kendrick Lamar performs "ADHD" at Pitchfork Music Festival 2012. Watch more Pitchfork Music Festival 2012 performances: http://bit.ly/NpP6hK - Subscribe to Pitchfork.tv: http://bit.ly/yK2Fbp...