quintet and was released on vinyl November 20, 2007. It was also released for digital download. Calibration, a record that Rodríguez-López recorded during his stay in Amsterdam, was released February 5, 2008. It was described as being influenced by electronic music and acid-jazz. On June 10, 2008, a recording titled Omar Rodriguez-Lopez & Jeremy Michael Ward was released. It was a collaboration between the two and was recorded in 2001 before the formation of The Mars Volta. The LP consists of various ambient tracks based on field recordings in the musique concrète tradition. Rodríguez-López has continued to release a series of albums recorded in 2001 which include Absence Makes the Heart Grow Fungus and Minor Cuts and Scrapes in the Bushes Ahead, both released in late 2008. Another album, Old Money was released in October 2008, with a vinyl version becoming available in early 2009 on the Stones Throw record label. Sonny Kay, co-owner of the former Gold Standard Labs label with Omar, created the album covers (and has done so for the majority of future Omar releases). Two Omar Rodríguez-López solo albums were released in Europe on January 26, 2009, from the Netherlands-based record label Willie Anderson Recordings: Megaritual and Despair. Despair is best described as a field recording, while Megaritual is a collaboration jam between Omar and his brother, Marcel Rodríguez-López. In mid-2009, a new entity has been created called El Grupo Nuevo de Omar Rodriguez Lopez (the New Omar Rodriguez-Lopez Group) to release the first in a series of three recordings completed in 2006. Thus far these recordings have only been known as the Omar and Zach Hill collaborations. The first recording titled Cryptomnesia was released on May 5, 2009. Vocals written and performed by Bixler-Zavala were recorded in 2008. The lineup for this entity is: Omar Rodríguez-López on guitar, Cedric Bixler-Zavala on vocals, Zach Hill on drums, Jonathan Hischke on synth bass, and Juan Alderete on bass. The Omar Rodriguez-Lopez Group toured Europe in March 2009, supported by Zechs Marquise. At the end of 2009, Rodríguez-López released three albums, Los Sueños de un Hígado, Xenophanes and Solar Gambling digitally through Rodríguez-López Productions. While Xenophanes was also released on CD and vinyl, Los Suenos De Un Higado and Solar Gambling only had a limited vinyl release. Rodríguez-López also created a video for "Asco Que Conmueve los Puntos Erógenos", from Xenophanes, and posted it on YouTube on November