He rose to prominence as the vocalist of the cumbia pop band Márama, which achieved international success and toured several Latin American countries and Spain.

[1] In addition to music, he has dabbled in acting, being part of the cast of the telenovela Simona, for which he received a Martín Fierro nomination for Best Newcomer and one for Favorite Actor at the Nickelodeon Argentina Kids' Choice Awards.

[7][8] The third single "Noche loca" was a collaboration with Rombai, a group led by Vázquez and Camila Rajchman and also formed in 2014, with which Márama shared the rapid rise to fame, as well as aspects such as the age of the members and the music genre.

[9] Both groups reached top 10 in charts in Uruguay and Argentina,[10] and toured together, performing in venues such as the Velódromo Municipal in Montevideo, the Teatro Gran Rex, and Luna Park in Buenos Aires.

[29][30] In September 2019, Casanova confirmed that he would be appearing as a judge on Got Talent Uruguay alongside María Noel Ricceto, Claudia Fernández and Orlando Petinatti.

[36] In September 2021 Casanova announced the revival of Marama with the release of the single "Ya no llora", which debuted at the third position on the Monitor Latino Top 20 chart,[37] and sold out three shows at the Antel Arena in Montevideo.

[39] A year later, in 2023 it was announced Casanova would be a coach in the children's version of the show, La Voz Kids Uruguay alongside Álex Ubago, Valeria Lynch, and the duo of Rubén and Julieta Rada.