Educational and Research Institute Honorary Doctorate of Letters for his significant contributions to Tamil cinema music.

[5] His father, S. M. Jayakumar, was a noted film guitarist and have frequently collaborated with T. M. Soundararajan, A. L. Raghavan, M.S.Viswanathan, Soolamangalam Sisters, K. J. Yesudas, S. Janaki, Shankar Ganesh, S.P.Balasubramaniam, K. V. Mahadevan, Malaysia Vasudevan, L. R. Eswari, Jikki, K. Jamuna Rani, P.Susheela and Malayalam music director Shyam.

[8] Harris scored the highest mark in Asia on his 4th grade exam of Trinity College of Music, London.

[6] Having been trained in classical guitar, Harris completed Grade VIII exams conducted by the Trinity College, London.

[10][13][14][12] In his early years as a musician, Harris have worked in movie soundtracks and film scores of various popular movies including Nee Bareda Kadambari, Muthu, Seevalaperi Pandi, Asuran, Indian, Aravindhan, Ullaasam, Ratchagan, Jeans, Padayappa, Poovellam Kettuppar, Mudhalvan, Taj Mahal, and Kandukondain Kandukondain.

[6] In his early years, he admired music composers M. S. Viswanathan, Ennio Morricone, A. R. Rahman, Salil Chowdhury, and Hans Zimmer.

[18][19] He received the Filmfare Award for Best Music Director – Tamil for his work in Minnale, breaking the 9 years continuous record of A. R. Rahman.

[20] He also composed for the Hindi remake of Minnale titled Rehnaa Hai Terre Dil Mein, also directed by Gautham Menon.

[25] This film directed by Gautham Vasudev Menon was a huge commercial success and the songs met with great critical acclaim.

[38][39] Harris crafted a necessary classiness into Gautham Menon's blockbuster crime thriller Vettaiyaadu Vilaiyaadu starring Kamal Haasan.

[48] His next Telugu venture Munna had a good commercial reception, and the song "Manasa" fetched a Filmfare Best Singer Female award to Sadhana Sargam.

In Anegan, Harris's "Danga Maari Oodhari", featuring lyrics in North Madras slang become an instant chart-buster.

[54] After a hiatus of 6 years, Harris collaborated with Gautham Vasudev Menon for the action cop film Yennai Arindhaal.

[55] The soundtrack received positive reviews from critics and according to Behindwoods, it was the most played album of 2015 in Chennai radio stations.

The tour featured live performance of Harris all over the world accompanied by a troupe of Tamil playback singers, including Karthik, Haricharan, Chinmayi, Tippu, Harini, Naresh Iyer, Harish Raghavendra, Krish, Aalap Raju, KK, Benny Dayal, Andrea, Suvi Suresh, Sunitha Sarathy, Srilekha Parthasarathy and Shweta Mohan and international musicians and dancers.

ad campaign which Suriya initiated under the Agaram Foundation, working to help children who drop out of school early in Tamil Nadu.

[66] Nikitha is a playback singer who made her debut through the song "Vinnil Vinmeen" for the movie Kaappaan,[67][68] and won a V4U Media award in 2020.