Effective period / Period of releases: 1996 - 2013

Members: Guillermo de Llera Blanes, Brian Jackson (4), Mikas Ventura, Jorge Felizardo, Abel Beja, Sílvio Rosado, Mark Cain (3)

Primitive Reason are an alternative cross-over rock band based in Lisbon, Portugal, with Guillermo de Llera (voice, percussion, didgeridoo), Abel Beja (guitar), Luís Pereira (bass), Tino Dias (drums), and Rui Travasso (Saxophone). Known for their musical experimentalism and fusion, they are one of the main alternative acts in the Portuguese musical scene, with a strong fan base in the country, as well as, in the U.S. (where they lived from 1998 to 2000), the U.K., and Spain. Their 6th full length album, 'Power To The People', is scheduled for April first 2013.