As a bilingual singer, Gabriela sings both English as well as Spanish songs. Her biggest singing inspiration is Selena Quintanilla, prompting her to choose many of Quintanilla's songs in her concerts. Sepulveda has sung from several genres of music such as mariachi, country music, pop, ballads, blues, bachata, and soul music. She has mentioned in many interviews that she shares a close bond with her Latin American heritage and that Mariachi and Mexican ranchera style music is closest to her heart. Sepulveda has collaborated with Victor Hugo Santos on his album “25 Años de Canciones para Niños.” She also sang with and opera singer, Miguel Sotomayor, the songs “Vivo por Ella”, “Hoy Tengo Ganas de Ti”, and “Written in the Stars.” Sepulveda also has collaborated with the famous Spanish pop star Abraham Mateo Chamorro in the song “Un 5 de Agosto.” A song dedicated to the 33 rescued Chilean Miners from the Copiapó Mining Incident. In July 2021, Sepulveda shared the stage with grammy winners Banda Los Sebastianes de Saúl Plata in Salinas, California where she performed "Ese Loco Soy Yo" from Grupo Liberación with regional mexican singers Andrés Padilla, Javier Larrañaga, and Armando Celis.