James Keane , master of the button accordion, is giving a lecture and concert at Boston College on Thursday, November 18, 2010, at 8:30 p.m. The event, free to the public, is sponsored by the Gaelic Roots program, led by fiddle champion Seamus Connolly . Born and raised in Dublin, Keane is considered a true innovator of the button accordion and has greatly influenced traditional Irish music in his generation. He has lived in New York for the past 40 years and has performed around the world. For year round Irish music in Massachusetts and the New England states, visit IrishMassachusetts.com .