Jerry O’Sullivan, premier uilleann piper, joins the P.V. O'Donnell Comhaltas Ceoltóirí Éireann chapter session on Thursday, Jan. 16, at St. Gabriel’s Parish Hall, 26 Broadway, 7:45 p.m. Musicians and guests welcomed. Admission is free. BYOB. In addition to his own recordings and appearances worldwide, O’Sullivan has appeared on more than 90 albums and has performed or recorded with The Boston Pops, Don Henley, Paul Winter, James Galway, Dolly Parton, The Nashville Symphony Orchestra, Eileen Ivers, and many others. Call 203-257-8737 for info.