Claim: Hollowell-Dhar was introduced at Ultra Music Festival 2015, his song "Secrets" was a huge EDM hit and had a number of other Beatport hits.
Evidence: Hollowell-Dhar was introduced at Ultra Music Festival 2015 by Tiësto. His song, "Secrets", a collaboration with Tiësto and Vassy was a huge EDM hit, streaming through buzz charts, and reaching the top of the Beatport Chart.