Actor STR is making his debut as a composer in his friend VTV Ganesh’s production venture Sakka Podu Podu Raja starring Santhanam and Vaibhavi Shandilya in the lead roles. For a particular mass number titled, ‘Vaa Munima Vaa’, STR has roped in his parents T Rajender and Usha Rajender to render the number. Further, he has introduced two new singers in the movie – Vasudev Krishnan (Son of Unni Krishnan) and Keerthana. Also, Anirudh Ravichander, Yuvan Shankar Raja and Leon James have sung a song each.