She is known for winning the ninth season of The Voice of Germany and became the first person of Asian descent who won the title, broadcast by the German television channels ProSieben and Sat.1 in 2019.
[1][2] She started gaining wide public attention after performing her rendition of The Greatest Showman soundtrack "Never Enough" in the blind audition The Voice of Germany.
[3][4][5][6] Before joining The Voice of Germany, she also took part in many children's singing competitions in Indonesia such as Akademi Fantasi Indosiar Junior in 2008, Idola Cilik in 2011 and Mamamia Show in 2014.
She participated in the talent search events in Indonesia, including AFI Junior in 2008, Idola Cilik in 2011 and Mamamia Show in 2014.
[citation needed] Santoso‘s maternal uncle encouraged her to pursue her higher education in Germany and sent her to a German language course at the Goethe-Institut Indonesia in Bandung up to the A1 level.