Mercedes Trujillo Callealta (born 14 June, 1974) is a pop artist from Cádiz, Spain. Merche got her first guitar at the age of six and became a music teacher after her graduation. At that time she also sang in an orchestra called Bahia Azul and also worked as direction assistant in Astilleros de Cádiz. In 2001 Merche were in the Spanish pre-selection for Eurovision Song Contest with the song "No Pidas Mas Amor" under the name Luna. She finished in 6th place, but signed with Vale Music and start to record her first album Mi Sueño. From spring 2002 to the end of summer, the single "No Pidas Mas Amor" was a national hit in Spain, with TV appearances supporting the single and album, and was also the title track of the Spanish version of Big Brother. "Como Pude" was released as second single, but sales were not as high as expected. In fall 2002 the third single, "Le Deseo" was released, and the album became a hit, up to #12 some weeks, and certificated gold, and a months later, platinum. In the summer of 2003 the fourth single was released, "Mi Sueño", also with supporting appearances in TV. In 2002 and 2003, Merche toured with her first album, in the Mi Sueño Tour, where she sang all songs from the album and two covers of other artists, Alaska's "A Quien Le Importa" and Ray Heredia's "Alegria de Vivir".