Hollowell-Dhar was introduced at Ultra Music Festival 2015, his song "Secrets" released on March 16 was a huge EDM hit and had a number of other Beatport hits.
Hollowell-Dhar was introduced at Ultra Music Festival 2015 by Tiesto. His song, "Secrets", a collaboration with Tiesto and Vassy was a huge EDM hit, streaming through buzz charts, and reaching the top of the Beatport Chart. The song was released on March 16, 2015 through Musical Freedom, while distribution was handled by Universal Music. Hollowell-Dhar had a number of other Beatport hits, such as "No Heroes", "Burn", "Dead Mans Hand", "Kashmir", "Dogs", "Karate", "It Feels (KSHMR Remix)" and "Jammu". 
