On March 31st, at 7:00 pm, the John Knowles Concert Hall will have performances by Prince Myshkins: Rick Burkhardt and Andy Gricevich. Graciela Paraskevaidis: algún sonido de la vida. Ben Johnston: String Quartet # 5, Kepler Quartet. Galina Ustvolskaya: Duet for violin and piano. Gabriela Diaz and Steven Drury: Symphony No. 2 "True and Eternal Bliss!" with Sound Icon, Jeffrey Means, conductor. This event is FREE, no tickets are required. There is free parking in Broadway garage, corner Broadway and Felton Streets in Cambridge.