Yolegni Morales de Setién Betancourt was born on October 14, 1975 in Havana. From a very early age she began studying music, the guitar specialty, under the guidance of professor Leopoldina Núñez Lacret. She continued her middle-level musical training at the "Adolfo Guzmán" School of Music in 1988.
Since 1990, Yoleigni Morales has been performing as singer and actress in several artistic projects and has also shared the stage with musicians of the stature of Pío Leyva and Octavio Calderón (trumpet player from the Buena Vista Social Club orchestra) in many countries.
In the year 2000, Yolie was awarded the Great Prize and the First Interpretation Award at the "Eduardo Saborit" National Contest.