Gangstaa, the much-awaited third single from Ajith Kumar's Thunivu, is out. Billed as the "AK Anthem" the Ghibran composition, is sung by Shabir Sultan, and written by the latter and Viveka. 

The makers had earlier shared the lyrics of the song, asking the audiences to get ready for the onslaught and memorise the words.

The song announcement poster features stylish Ajith sporting a glossy-black suit and sunglass.

The first and second singles of Thunivu —Chilla Chilla and Kasethan Kadavulada— became instant chartbusters and set the tone for the film, which will be hitting screens this Pongal.

Directed by H Vinoth, Thunivu is produced by Boney Kapoor. It also stars Manju Warrier, Veera, Samuthirakani, Ajay, John Kokken, Mahanadhi Shankar, Amir, Pavni, Cibi Chandran, GM Sundar, Bhagavathy Perumal and others, in pivotal roles.