Actor Simbu, who has crooned chartbusters such as "Loosu Penne" and "Diamond Girl", has lent his voice for a special track in Sai Dharam Tej's upcoming Telugu entertainer "Thikka"."After Dhanush, Tamil actor Simbu has crooned a song in the album. It's a peppy number and since composer Thaman and Simbu have already worked together on a few songs, they enjoyed collaborating again," a source from the sets told IANS.Directed by Sunil Reddy, "Thikka" also stars Larissa Bonesi and Mannara Chopra in the lead.The film's audio will be launched later this month.