Born on October 22nd, 2004 as TJ Mario Cassella, Trio Mio is a Kenyan singer, rapper, and performer who developed a passion for music at a young age. At 11, he began rapping for fun with his brother and rose to fame during the Covid-19 pandemic at the age of 16, when he released his first song Bazenga-Vile Inafaa on YouTube in May 2020, providing a welcome distraction from the uncertainties of the pandemic.

Since his breakout song Cheza Kama Wewe released on July 15th, 2020, Trio Mio has gained national recognition and collaborated with well-known artists such as Mejja , Exray Taniua and NellyTheGoon for the remix, which has garnered over 12 million views to date.

In early 2020, Trio Mio self-titled debut EP Son of the City gained mainstream success thanks to the hit track Cheza Kama Wewe which held the top spot on Kenya's charts for two consecutive weeks. He continued to produce chart-topping singles, including Serereka featuring Shari Afrika, produced by the renowned Eric Musyoka , Kanairo featuring Big Ting AP and AJ_Barracuda and N'Mekapitia featuring Tunu.

Recent releases include Buda featuring Wakadinali's Scar Mkadinali; Dweet featuring A Pass & Masauti; Achia; Everyday featuring Sauti Sol's Savara and Tunajienjoy featuring Watendawili's Ywaya Tajiri & Savara