This track was released originally by EMI in 1981 and was published by ManBown Productions and KPM Music.
Part 1 (Medley of We Wish You a Merry Christmas; 0.12 Hark, the Herald Angels Sing; 0.56 Good King Wenceslas; 1.33 O Come All Ye Faithful; 2.17 Ding Dong, Merrily on High; 3.07 The Twelve Days of Christmas) was released as a 7 inch single. Superstar is on the B side.
Part was a 9 minute 12 inch single. Silent Night; 0.46 Away in a Manger; 1.22 Coventry Carol (featuring crumhorns); 2.03 The First Nowell; 2.42 The Holly and the Ivy; 3.15 Coventry Carol (featuring piccolo trumpet); 3.55 We Wish You a Merry Christmas; 4.45 While Shepherds Watched their Flocks; 5.22 Once in Royal David's City; 5.57 O Little Town of Bethlehem; 6.33 Deck the Hall; 7.02 Here We Come a-Wassailing; 7.35 I Saw Three Ships; 7.51 In Dulci Jubilo; 8.22 Jingle Bells; 9.11 Finale
Both were later released on KPM 1291 - The Best of Christmas in 1982 along with various edits and alternate mixes.