She has been singing since she was seven years old, and taught herself to play guitar and piano. Her debut studio album, , was released in 2019. It immediately caught on, hitting number one in Australia and landing in the Top Ten in the U. The single peaked at number 10 on the and reached number one in. The single was accompanied by a music video.
. Born in Thousand Oaks, California in 1999, O'Brien grew up singing from a young age and taught herself to play guitar and piano. He requested to hear her original material, and they began collaborating. By her teens, she was writing her own songs, as well as posting cover songs online. Archived from on March 6, 2017. Gnash reached out to O'Brien, expressing interest in her material, and asked for her to send him any original songs that she had. California's Olivia O'Brien is a vocalist with a bent toward dance-oriented electronic pop and emotive balladry.
In March, O'Brien announced that her debut studio album, , was scheduled for release on April 26, 2019. In March 2017, O'Brien was nominated for an for Best Solo Breakout, but lost to. . . . . .
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