Carlos Guirao Felices was a musician and composer born in Barcelona 23 February 1954. He died in Barcelona 17 January 2012. Carlos Guirao was member of several groups being the most well-known Neuronium, and .In 1981 he performed for the Spanish Television program "Musical Express". This program consisted of interviews and performances.This program included a performance of Carlos and jointly with Vangelis at the Nemo Studio in London. Videos of this performance exist.In this period he was also in touch with Klaus Schulze, who initially had to prepare the mixing of his third LP Digital dream.They also played a jam session with and Ash Ra Tempel for "Musical express".