La Llave de Mi Corazón

La Llave de Mi Corazón (transl. 'The Key of My Heart) is the 10th studio album recorded by Dominican singer-songwriter Juan Luis Guerra, It was released by EMI Televisa Music on March 20, 2007. It was Guerra's first album to contain songs in English ("Something is Good" and "Medicine for my Soul") since his 1994 recording of Fogarate. The album contains fusions of mambo and tropical rhythms that Guerra himself defined as "Mambo merengue". Its production and musical structure of album is based on merengue, bachata and salsa and encompasses elements of Blues, Son, Jazz, Mambo and Bossa Nova. The album was written, arranged and produced by Juan Luis Guerra and according to the artist is his most romantic album. It is composed of four merengues, two bachatas, three romantic songs and two salsas.

La Llave de Mi Corazon was met with critical acclaim with praise for its musical structure and mix and variety of tropical elements on the songs. It won six awards at the 8th Annual Latin Grammy Awards including Album of the Year and won a Grammy Award for Best Traditional Tropical Latin Album at the 50th Annual Grammy Awards. Also it won Tropical Album of the Year by Duo or Group at the 2008 Latin Billboard Music Award and six Soberano Awards in 2008. The album was supported by five official singles, including the lead single "La Llave de mi corazón" that tops the US Billboard Hot Latin Songs and Tropical Airplay.

The album was a commercial success across Latin America and Europe. It debuted at No. 77 on US Billboard 200 and at the top of US Billboard Top Latin Albums and Tropical Albums. It reached the Top 10 in Argentina, Chile, Paraguay, Venezuela, Ecuador and Dominican Republic albums charts and was certified gold and platinum in Colombia, Argentina, Venezuela, Chile and Spain. On October 2, it was released as a special edition and later a Brazilian/Portuguese Edition. To promote the album, Guerra embarked on "La Travesia Tour".