There’s no doubt as to what is the most anticipated event in Irish country music circles this month. Big Tom and The Mainliners are returning to the scene for three dates as part of the celebrations of the golden jubilee of their first hit record.It was back in 1966 that Big Tom recorded Gentle Mother, a seminal moment in the country music story here in Ireland. Five decades on, this song still resonates as one of the most famous recordings by any Irish country singer.