Silambarasan Thesingu Rajendar, also credited by his initials S. T. R is an Indian actor, director, writer, composer, dancer, lyricist and playback singer in the Tamil film industry. He began his acting career by playing roles as a child artist in films directed by his father T. Rajendar, before his first lead role in Kadhal Azhivathillai (2002), under his father's direction and produced by his mother Usha. Silambarasan has frequently worked as a playback singer in the Tamil film industry. He first sang in Sonnal Thaan Kaadhala and went on to sing over 90 songs for various composers. He predominantly sings in his own films and has collaborated mostly with his friend and fellow composer Yuvan Shankar Raja. Silambarasan also wrote the lyrics for several songs of his films. On 27 December 2011, Silambarasan released the non-film single "Love Anthem For World Peace and Love" to promote world peace. In 2013, he sang ''Diamond Girl'' in Tollywood film Baadshah directed by Srinu Vaitla starring Jr. NTR and Kajal Aggarwal in lead roles. This was his first venture in Telugu music. He stated in the summer of 2015 that he would collaborate with Yuvan Shankar Raja to release the non-film single titled "Karma". He Composed Music and Background score for the film Sakka Podu Podu Raja featuring Santhanam in the lead role.