Luis Fonseca is a polyvalent artist, musician, composer, professor and entrepreneur based in Madrid, Spain. He has studied Architecture in São Paulo, Brazil, where he is originally from; he has studied Double Bass in Frankfurt am Main, Germany; period music in Basel, Switzerland; he has a Master ́s degree in electroacoustic composition and a Doctor ́s degree in algorithmic composition, both in Madrid. He has played in many orchestras around the world, as well as being a chamber musician and Double Bass soloist. He has taught Double Bass in different Conservatories in Spain and given masterclasses in many other schools and festivals around the world. He has played for many years in the Royal Theater in Madrid as co-principal double bassist. As a composer he has won several international prizes and his music has been played in more than 15 countries. He is currently professor of double bass in the Royal Conservatory of Music in Madrid / Spain.