On Thursday March 3t the Gaelic Roots Series at Boston College invites you to an in-person presentation and performance, "Remembering Seán Ó Riada (1931-1971) and Ceoltóirí Chualann."Peadar Ó Riada's talk will be followed by music performed by:Peadar Ó Riada, piano, concertinaJoey Abarta, uilleann pipes, whistleAnna Colliton, bodhránSheila Falls, fiddleOisín McAuley,