At age 13, Rojas became a vocalist/guitarist with the all-female
Mariachi Reyna de Los Angeles, which provided a springboard for her to gain a solo contract with the
Arista Latin recording label. Her debut solo album, self-titled, was recorded when she was 15 years of age then released after her 16th birthday. She began to set a pace for mariachi music for younger generations in the U.S. Rojas was invited to perform for President Clinton during his re-election inauguration, and later that year, she was declared a mariachi sensation by
USA Today. In the next five years another three solo albums followed. During this time, her performances played to packed audiences of up to 18,000 fans. At the
9th Lo Nuestro Awards, Rojas was nominated for Female Regional Mexican Artist of the Year. Rojas's third album, ''
, was nominated for a Latin Grammy Award alongside such established artists as Vicente Fernández and Alejandro Fernández, and Antonio and Pepe Aguilar. It further established her as an outstanding performer in her field, and soon after this, she went on two national tours with Juan Gabriel. The first tour gave her the opportunity to work closely with Gabriel who expressed much admiration for her talent, and led to her recording her fourth solo album, Nydia'', which for the first time took more of a mainstream Latin pop direction while still displaying all of Rojas's musical skills. Gabriel sang two duets with Rojas on this album and named her one of the best interpreters of his music from her generation. In November 2008, Rojas reunited with Gabriel for a performance at the . In May 2011, Rojas embarked on a tour with Vicente Fernández. ==Personal life==