Action Bronson performs at a party presented by Warner Sound at the Belmont in Austin, Texas, during SXSW 2013. NPR hide caption

itoggle caption NPR

Front Row

Action Bronson: NPR Front Row

Watch the New York rapper get swallowed up by the SXSW crowd during "Strictly 4 My Jeeps."

Le1f performs at NPR Music's 2013 SXSW Showcase at Stubb's. Adam Kissick for NPR hide caption

itoggle caption Adam Kissick for NPR

Front Row

Le1f, Live In Concert

The New York rapper whips his glow-in-the-dark hair back and forth during a mesmerizing set.

Sugar Tongue Slim brought a live band along with samples by Gotye and Kavinsky to his set at The Parish in Austin, Texas. Katie Hayes Luke for NPR hide caption

itoggle caption Katie Hayes Luke for NPR

Live in Concert

Sugar Tongue Slim, Live In Concert: SXSW 2012

The versatile, playful rapper mixed samples with a live-band bounce that quickly won over the crowd.