Pataruco, written by Ricardo Lorenz was released on March 1999 by the Chicago Symphony along side the percussionist Ed Harrison for whom the piece was dedicated to. Since then the piece has been played around the world. It was also recorded with the Czech National Symphony and Ed harrison launched by Albany Records on 2001. Pataruco is a concerto for Venezuelan maracas and orchestra of popular origen that the composer has stylize. There is a marvelous part for harp that emphasizes the presence of the emblematic Venezuela plains and throughout the complete piece a great balance in its formal aspects as well as in the sound.