Heren is the piano accompaniment for the string series along with an accompaniment CD. Titles include: God Rest Ye Merry Gentlemen,O Little Town Of Bethlehem,Deck The Halls,We Wish You A Merry Christmas,Silent Night,O Holy Night,It Came Upon A Midnight Clear,Good Christian Men Rejoice,Away In A Manger,I Saw Three Ships,Joy To The World,Jingle Bells,The First Noel,Hark The Herald Angels Sing and others.