The Shamrogues, the largest traditional Irish music band in Connecticut, will join the P.V. O’Donnell Comhaltas Ceoltóirí Éireann Irish music session on Thursday, June 18, at St. Gabriel’s Parish Hall, 26 Broadway. The free session starts at 7:45 p.m. BYOB. Musicians, dancers, singers and guests are welcomed. For information call Tim Quinn at 203-257-8737.