Everdream For many families, holiday traditions run deep — like they go back generations upon generations. If you happen to have some of that Celtic blood from your ancestors, then Everdream’s A Celtic Christmas might be a perfect seasonal dose of cheer. The Irish trio (formerly known as Affinití) consists of soprano Emer Barry, violist Mary McCague and harpist Teresa O’Donnell are back on the road after two years off due to COVID, so no one can be blamed if folks end up step dancing in the aisles with excitement.