of "Why This Kolaveri Di" attracted over 3 million YouTube views in one month,[5] Arjun became known for his fusion of contemporary Western and Eastern sounds, combining R&B with elements of South Asian music.

[12] In August 2012, Arjun was selected to sing the official theme song for the ICC Cricket World Cup 2011 alongside Bathiya and Santhush.

[13] He also produced music for the Sri Lankan Premier League, performing at the opening ceremony of the tournament held at Sugathadasa Stadium in Colombo in August 2012.

[17] In July 2014, he performed at Rock Assembly in Wembley Arena, alongside Conor Maynard, Professor Green and Ella Eyre.

[20] In August 2014, he was a Guest of Honour and sang at the India Day Parade in New York City, the largest annual gathering of Indians in the US.

[30] Arjun released his debut album with Island Records, “Closer to Home” on March 2, 2018; this reached No 1 on the iTunes R&B chart in 24 hours.

[31] In March 2018, he featured in Humza Arshad's parody of the viral Nike advertisement, known as "Nothing Beats A Londoner", featuring notable Londoners from underrepresented minorities such as Juggy D, H-Dhami, Tasha Tah, Sevaqk, Bobby Friction, Raxstar, Tez Ilyas, Mumzy Stranger, Steel Banglez, Char Avell, Jay Sean, Corner Shop Show (Islah Abdur-Rahman, Michael Truong, Can Snatchy Kabadayi) and Naughty Boy.

[35] In September 2019, Arjun headlined the London Mela, ending by singing Kabhi Jo Baadal as a tribute to his late wife Natasha, during which the audience held up their lit mobile phones as a mark of respect.

[36] In October 2019, he was invited by the Federation of Indians in America and the Empire State Realty Trust to switch on the Diwali-themed lights which turned the iconic building orange to mark the city's celebration of the festival of Diwali.

Artists Guru Randhawa, Jaz Dhami, Vidya Vox and Mickey Singh flew to London to take part in this concert, attended by over 3,500 people.

[42] Arjun has released collaborative videos with several well-known Desi artists, including Guru Randhawa,[43] Mickey Singh,[38] Vidya Vox,[44] Jonita Gandhi,[45] F1rstman,[46] The PropheC[47] and Falak.

On September 29, 2018, Arjun released a statement regarding the loss of his wife, who was also his publicist and played a significant role in his music career.