In 1985, Marta became the band's lead singer replacing Vicky Larraz, which brought her to fame and made her one of the biggest sex symbols of the 1980s in Spain, during a time when the country was easing the traditional rigid moral values of Catholicism.

Other hits like "Bailando Sin Salir de Casa" and "Con Sólo Una Mirada" followed with the group.

Its first single, "Desesperada", written by Stephen Singer, Austin Roberts was released both in Spain and The Americas was a huge top ten hit and now with 28 Million streams on Spotify.

[citation needed] Following this successful debut album, Marta released Woman, an English version of Mujer.

[citation needed] In 2004, she released Lo Mejor de Marta Sánchez a greatest hits compilation with three new songs, "Profundo Valor", "Caradura".

[citation needed] Instead of releasing songs which had become fan favorites like "Si me cambias los recuerdos" or "Reina de la radio" as the second single, Marta choose the disco-influenced "Levántate", which became a minor hit in Spain, overshadowed by "Superstar"'s enduring popularity.

In the end of 2008, she collaborated with Venezuelan singer Carlos Baute with the song "Colgando en tus manos".

This was a huge hit, setting iTunes records in Spain and maintaining its number one spot for 29 straight weeks.

The single was later released in the Americas and reached the coveted "Top Five" in Colombia, Venezuela, Argentina, Uruguay, Chile, Puerto Rico, El Salvador, Ecuador and Peru.

On 23 September 2014, "La Que Nunca Se Rinde" was released on iTunes and a new album with unedited material was announced been in the works.