There are transcriptions of the Nutcracker, of which Taneyev's and Pletnev's are probably the best (Tchaikovsky did one too). Oh, and Tchaikovsky's own transcription of the Nutcracker Suite.
There's also George Crumb's A Little Suite for Christmas 1979.
Tausig's transcription of Bach's Das Alte Jahr Vergangen Ist - or Reger's
Reger's transcription of Bach's Vom Himmel hoch, da komm ich her. Indeed, quite a few Reger transcriptions of Chorale Preludes.
And, in a similar vein, Busoni's 10 Chorale Preludes BV B 27