They Call Him OG is the soundtrack album composed by Thaman S to the 2025 Telugu-language period action crime film of the same name, written and directed by Sujeeth starring Pawan Kalyan, Emraan Hashmi, Priyanka Mohan, Arjun Das, Sriya Reddy and Prakash Raj. The album features six songs with lyrics written by Vishwa Vemuri, Srinivasa Mouli, Kalyan Chakravarthy Tripuraneni, Raghu Ram, Harsha Darivemula, Adviteeya Vojjala, Raja Kumari and Sujeeth himself. The soundtrack was preceded by five singles before the album's release on 21 September 2025 under the Sony Music India label.
The film score and soundtrack were composed by Thaman S in his first collaboration with Sujeeth and fourth with Kalyan after Vakeel Saab (2021), Bheemla Nayak (2022) and Bro (2023). Thaman joined the project in January 2023 and started composing for the film the following month. Speaking to Aditya Devulapally of The New Indian Express, Thaman said "For the music comparison coming out with Tamil films, OG will be our answer to that, from Telugu cinema". Thaman had composed 6âÂÂ7 songs for the film as well as 30âÂÂ40 background score cues, in the two years of music production process. Thaman reportedly went with a Michael Jackson-style of mixing for the film's score, to provide a rock feel for the low vocals and also collaborated with Japanese musicians for the score due to the film's Japanese connection.
The album accompanies a variety of singers and lyricists, with songs in Telugu, English and Japanese lyrics. In April 2025, actor Silambarasan had recorded the song "Firestorm" for the film, who noted it as a "dream come true" moment on singing for Kalyan. In September, Thaman recorded the film score at the Abbey Road Studios, London collaborating with 117 musicians for the orchestra.
The film's music rights were acquired by Sony Music India. The first single, titled "Firestorm" was released on 2 August 2025. The second single, titled "Suvvi Suvvi" was released on 27 August. The third single titled "Trance Of Omi" was released on 11 September. The fourth single titled "Guns N' Roses" was released on 15 September. The fifth single titled "Washi Yo Washi" which was a Japanese haiku was released on 19 September. The film's soundtrack was released on 21 September at the pre-release event held at Lal Bahadur Shastri Stadium, Hyderabad.
Swaroop Kodur of The Indian Express wrote, "ThamanâÂÂs background score is the mainstay all along, revving things up very effectively with his blaring electronica and not letting the generic writing get in the way." Sangeetha Devi Dundoo of The Hindu noted Thaman's background score being "high-on-energy". Janani K. of India Today wrote "After Sujeeth and Pawan Kalyan, it is Thaman who makes 'OG' a paisa-vasool masala entertainer," calling the score as "chest-thumping".
Divya Shree of The Times of India wrote, "ThamanâÂÂs rousing soundtrack, however, injects energy into the action sequences." Arjun Menon of Rediff.com wrote, "Thaman is the backbone of this film. He understands the fan assignment and complements Sujeeth's scattershot vision. His musical score is the missing emotional tissue that binds the film's core themes with the sophistication that the writing lacks. Thaman's score is sensitive to the evolving ludicrousness of the material and energises certain sequences."
Aditya Devulapally of Cinema Express wrote, "Thaman, bless him, is the lone man fighting for a cause. His score is the only place where East meets West, where samurai edges blend with rock riffs, where mass energy breathes. He gives the film life, and the film returns the favour by ignoring him. His music tries to lift the film, but thereâÂÂs nothing for it to land on. It is like an ornate katana that nobody wields." Hariprasad Sadanandan of The Week wrote "SS Thaman's background score is a major factor in elevating some of the sequences while the action blocks have also come out well."
Despite the praise for the soundtrack, Thaman was criticised for plagiarism of the song "Lumi Une" from Irkenc Hyca for "Trance of Omi".
Credits adapted from Sony Music South: