Christmas recordings that I enjoy are:
Twas On A Night Like This: Sandy & Caroline Paton & Dave & Cathy Para
Tapestry of Carols: Maddy Prior & the Carnival Band
Gold, Frankincense & Myrrh: Maddy Prior & the Carnival Band
Winter: Steeleye Span
Cold Blow These Winter Winds: Live concert with Eliza Carthy & others
Winter Carols: Blackmore's Night
Christmas: Bruce Cockburn
Nowell Sing We Clear: Barrand & Roberts
Any of the the Christmas Revels recordings