Artists who got famous for singing on YouTube
British performer Jacob Collier started gaining fame with his YouTube covers after they went viral. He later signed a professional contract and as of Feb 2020 has released three albums. He's famous for playing all the instruments and vocals in his albums.
Pantelis was originally in the Greek Navy for a living, but he started writing songs and publishing them on YouTube in 2012. A video for his original song 'Den Tairiazete Sou Lew' reached 1 million views. He died in 2016 in a car crash.
Vittar's music video for 'Open Bar', which cost her R$ 600 (121 US$ as of March 16 2020), became viral and reached a million views in a month after being published. She ended up being noticed by TV producers, was invited to perform in a Brazilian TV show and released her first album in 2017.