In April 2002, they signed to Sony Music Latin when they were 15 and 16. The same year, Ha*Ash signed a management deal with Seitrack Management (OCESA Seitrack). They recorded their self-titled debut album "Ha*Ash" with the Mexican producer Áureo Baqueiro in 2003. On April 13, 2003 they released their first single, "Odio Amarte", which was a hit on Mexican radio stations, TV channels and festivals. The album was officially released on May 11, 2003, under the Sony Music Latin label. It peaked at No. 3 in the Mexican album charts and No. 19 in the US "Billboard" Latin Pop Albums. The second single "Estés Donde Estés" was released on July 21, 2003. The song was used as the main theme of the Televisa telenovela "Clap, el lugar de tus sueños", which provided wider dissemination of their music. It peaked at No. 9 on Billboard Latin Pop chart and No. 14 on Billboard Hot Latin Tracks. On February 1, 2004, a third single was released: the ballad "Te Quedaste". It peaked at #17 on Billboard Latin Pop chart and #28 on Billboard Hot Latin Tracks. After this, they appeared on Magos y Gigantes Soundtrack Mexican animated comedy film produced by Ánima Estudios contributing to "Un Amigo Así".