Arranged for SATB, here are five all-time classic Christmas songs with a warm and nostalgic feeling.O Holy Night and Silent Night both originated in 19th century Europe while Have Yourself A Merry Little Christmas was introduced by Judy Garland in a 1944 Hollywood musical. Silver Bells was a 1950 Livingston-Evans pop hit but surely the most famous of them all is Irving Berlin's White Christmas, th…