The Tufts Department of Music presents the L’Étoile Duo — violinists Hsin-Lin Tsai and Miguel Perez-Espejo Cardenas — performing new repertory-building works for two violins by John McDonald and Kareem Roustom, alongside other bright chamber music by Tufts Composers. Free to the public with no tickets required; also viewable via Tufts Music Live Streaming.