ROSS DALY AND KELLY THOMA He was born in England, but Daly has lived in Crete since 1975, devoting his life to playing the lyra (a Mediterranean multi-stringed instrument) while investigating and drawing upon African, Middle Eastern, and other modal traditions. He’ll be performing with fellow lyra player Thoma and other accompanists. April 7, 7:30 p.m. Tickets: no cover; donations suggested. MIT Chapel, Cambridge. 617-253-3913.