Entry #47 (Winter) Banjo-Kazooie "Freezezy Peak"

 This track comes from the 1998 N64 game Banjo-Kazooie. This is a proper Christmas-y sounding track.
Developer: Rare
Composer: Grant Kirkthrope

Entry #28 (Xbox 360) Viva Piñata "Night Three"

 This track comes from Rare's 2008 life sim Viva Piñata. A beautiful game with an equally beautiful score. 
Developer: Rare
Composer(s): Grant Kirkthrope
Steve Burke
You can buy the soundtrack here