Songs of ChristmasAmazon. com One of Ireland's best loved folk music ensembles mixes traditional Irish holiday fare with more familiar carols and songs. For those who prefer the latter, there's "The Christmas Traveller," Miss Fogarty's Christmas Cake," "Christmas in Killarney," and "Bells Over Belfast," sung as a prayer for peace in Northern Ireland. The Irish Rovers are primarily a vocal group, and their robust singing is prominently featured in the mix, sometimes to