She was the winner of the second season of the East Africa's Tusker Project Fame (TPF) singing competition in 2008.
[1][2] At the age of 21, Esther Nabaasa auditioned for the east African singing competition Tusker Project Fame in Kampala and won and then represented Uganda in the Tusker Project Fame Academy in Nairobi Kenya.
She released her debut 11 track album called Rock in the Country Soul in 2009.
In 2018, she wrote and produced music for Natasha Karugire's war historical film 27 Guns, singing on some of the songs.
Nabaasa also appeared on other reality singing competitions such as Coca-Cola Rated Next season three as a judge alongside Siima Sabiiti.