KOST is a commercial radio station in Los Angeles, California. Owned by iHeartMedia, it broadcasts an adult contemporary radio format, switching to Christmas music in early November and playing through New Year’s Eve. Its studios are co-located with its sister stations on West Olive Avenue in Burbank, CA, and its transmitter is located atop Mount Wilson.

Wikipedia

First Aired: 1957

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Top Ten Tracks

Track Plays
Sleigh Ride 496
Winter Wonderland 300
Rockin’ Around The Christmas Tree 277
Have Yourself a Merry Little Christmas 275
Rudolph The Red-Nosed Reindeer 263
This Christmas 253
Jingle Bells 212
Let It Snow! Let It Snow! Let It Snow! 210
It’s the Most Wonderful Time of the Year 190
All I Want for Christmas Is You 183