Mariam first appeared on the stage since age 6 with other young singers on Tbilisi Concert Hall stage Mariam took a part in the Georgian national selection for the Junior Eurovision Song Contest 2007 as a part of trio and hit the top 12. In 2010 in the “I Love Tbilisi” Festival, where the jury were mostly from Italy and Misha Mdinaradze from Georgia, Mariam hit the 1st place, beating the participants from over 18 countries. On the third episode of the Blind Auditions broadcast on October 15, 2013, Mariam performed Jennifer Hudson"s song "And I Am Telling You I"m Not Going." All four judges turned their chairs and Mariam chose to join David Porchkhidze’s team
On the Battle Round, Mariam was against Ani Chkheidze, they both performed Natalie Cole’s song “Inseparable”.
On the Knockout Round, Mariam performed Whitney Houston’s song “Run To You”. On the first Live, Mariam performed Beth Hart’s song “Mama”.
On the third Live, Mariam performed Leona Lewis’s song “Here I Am”. On the semi-final Live she performed Aerosmith’s song “I Don"t Want To Mission A Thing”.
She released her debut single "Gibberish". which was an international collaboration, beats was made by LoopG (United Kingdom), lyrics by Ronaldo Junior (Brazil).
| Music video was directed by David Gogokhia. 2015: "The Grin" foot George Moller & Mariam Abdushelishvili.