Ricardo Donoso is a composer, percussionist and electronic musician from Rio de Janeiro, Brazil. He has studied film scoring and music synthesis at Berklee college of music, and composition at the New England Conservatory. He currently leads the Calliope quartet, an electro-acoustic outfit focusing primarily on drone and low volume, low-velocity musics. He performs with The Metal and Glass Ensemble who make acoustic soundscapes, using bowed cymbals, tuned glasses, and other sounding devices, as well as performing with various other local musicians. Ricardo also founded Semata Productions who host monthly experimental music concerts in the Boston area and a festival 3 times a year entitled "Cross-Pollenization", which he curates and oversees.