In 2004, Merche released her second album entitled 'Authentic', with a drastic change of look: blonde, the singer sold more than 160,000 copies.
In 2005 she publishes her third album, 'I need freedom', it consists of 10 songs composed by herself, among which she highlighted 'Eras tú', dedicated to a very special person for Merche, this album reached Platinum Disc, with more than 240,000 copies sold.
In 2007, the Cádiz-born singer prepared her fourth album, 'Cal y arena', produced by Carlos Jean, where she obtained a Platinum Record, with more than 80,000 copies sold.
In 2010 he released 'Chords from my diary', his fifth work, with which he was nominated for a Latin Grammy in the category of Best Female Pop Vocal Album. With more than 30,000 copies sold, the album reached the Gold Record.
In 2012 she wants to pay tribute to the women who raise their families forward and records the single 'Luna', in which she anticipates her new album entitled 'Un Mundo De Colores'.
In 2014 Merche released 'I want to tell you', with which it went straight to No. 5 on the list of best-selling albums.
In 2017, he released the full album entitled 'De Otra Manera', it went straight to No. 6 on the list of best-selling albums, with the single 'You Deserve it'.
In 2019 he released his new single 'Lo que me gives la gana', a mixture of Latin rhythms with a message of respect and equality. This new single is a first of what will be his new album.