Green Valley's seventh studio album. The most international and important album of the the band's career, the Green Valley essence returns but with the maturity of a band that he has earned the respect of the public based on great hits and an explosive live performance. 15 songs with collaborations such as Nanpa Basico (Colombia), Alborosie (Italy / Jamaica), Dub Inc and Naaman (France), Cedric Myton (Jamaica), Rapsusklei, Pure Negga and Rastachai (Spain) combining styles like Reggae to Hip hop and songs in the acoustic singer-songwriter style that fit the band so well. The message of the voice of the people returns, they have realized that Green Valley has " La Llave Maestra - The Master Key" that opens everything.
