Scottish DJ Calvin Harris has been officially recognized by Guinness World Records (GWR) for setting a new record for the largest attendance at a DJ set by a single artist. An estimated 1.6 million people attended his performance in Sao Paulo, Brazil, earlier this year. The event took place on a massive carnival float on February 8, 2026, and was described by Harris himself as a "truly insane day" that could only have happened in Brazil. The sheer scale of the crowd forced the closure of Rua da Consolação, a major street in the city, and some fans reportedly fainted due to the intense heat. Harris performed wearing a Brazilian football shirt with the name "Calvinho" on the back, a nod to his love for Brazilian culture and football. His setlist featured many of his most popular hits, drawing fans from across the globe. The record-breaking event highlights the massive global following that Harris has built over the years, with GWR noting that a similar-sized crowd attended Madonna’s free concert on Copacabana Beach in May 2024 during her Celebration Tour. Calvin Harris has a long history of breaking records. He previously held the title for the most top 10 hits on the UK singles chart from one album, and he was also recognized as the highest-paid DJ in one year for his earnings between June 2015 and 2016. These achievements underscore his influence and success in the music industry. The record for the largest DJ set attendance adds to Harris's legacy as one of the most successful electronic music producers and performers of his generation. His performance in Sao Paulo not only set a new benchmark but also showcased the power of music to bring together massive crowds in a shared experience.