Okay this is awesome. One of the best big bands in the world, minus their saxophones and with some mellophones thrown in for good measure, playing some of the finest charts ever written. Here is the Stan Kenton Christmas carols arranged by Hoagy Carmichael.
A note on the instrument in the front row: they are mellophones. The leader pretty much sums them up perfectly when he said, "The mellophone is an instrument of mostly indefinite pitch."