According to the liner notes of their 1986 debut album, "What if Mozart wrote 'Have Yourself a Merry Little Christmas,'" the quartet was formed specifically for that album in response to RCA's desire to record chamber music arrangements of mostly-secular Christmas music.
In 2001 the 86-year-old composer Hugh Martin, occasionally active as a pianist with religious ministries since the 1980s, wrote an entirely new set of lyrics to the song with John Fricke, "Have Yourself a Blessed Little Christmas," a religious version of the secular Christmas standard.
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In 2002, NewSong lead singer Michael O'Brien noted the line "through the years, we all will be together if the Lord allows," which was part of the original song, was purged and replaced with "if the fates allow" to remove religious reference when the song was released.
In December 2008, Sheridan performed on Seven Network's television concert special Carols in the Domain in which he performed "Have Yourself a Merry Little Christmas".
The title of the film comes from a line in the 1944 song Have Yourself a Merry Little Christmas, written by Hugh Martin and Ralph Blane.
The setlist included the Christmas songs, "Christmas on My Radio" and "Have Yourself a Merry Little Christmas", and the new song "Weightless", from soundtrack A Few Best Men.
Ne andrò lontana from Alfredo Catalani’s opera La Wally and Vissi d'arte from Giacomo Puccini’s opera Tosca, followed by Have Yourself a Merry Little Christmas performed with Bryn Terfel and Ella Taylor & Liam Jones (winners of Radio 2's 2010 Young Chorister Competition) performed live on 10 December 2010 for BBC Radio 2’s Friday Night is Music Night.
Christmasology featured 15 songs, including "Rockin' Around the Christmas Tree”, "Frosty the Snowman”, "O Come All Ye Faithful" and "Have Yourself a Merry Little Christmas", as well as "Christmas (The Warmest Time of the Year)".
Christmas | A Christmas Carol | Christmas Eve | Christmas Island | Christmas music | The Merry Widow | Christmas tree | The Merry Wives of Windsor | A Christmas Story | Have Yourself a Merry Little Christmas | Christmas Oratorio | How the Grinch Stole Christmas | How the Grinch Stole Christmas! | Christmas lights | Mickey's Christmas Carol | The Nightmare Before Christmas | Merry Christmas Baby | Last Christmas | I'll Be Home for Christmas | Christmas lights (holiday decoration) | Christmas card | All I Want for Christmas Is You (Mariah Carey song) | All I Want for Christmas Is You | Merry Hill | Merry Gentry | Father Christmas | Christmas in July | A Charlie Brown Christmas | The Christmas Attic | Rockin' Around the Christmas Tree |
The Muppets sing "Home for the Holidays," after Miss Piggy's grand belated arrival, then later "Have Yourself a Merry Little Christmas" and "I Heard the Bells on Christmas Day" during the final medley.
She was a good friend of composer Hugh Martin who at one point worked as her piano accompanist and later penned a new version of his Christmas classic Have Yourself a Merry Little Christmas entitled "Have Yourself A Blessed Little Christmas" which Delker recorded in 1999.