100 Christmas Carols is a Windows application designed to enhance the festive atmosphere with its extensive collection of 135 popular Christmas instrumentals in MIDI format. Users can enjoy classics such as Silent Night, White Christmas, and Bells of Bethlehem, providing a nostalgic soundtrack for the holiday season. The application offers flexible playback options, allowing users to play songs continuously, randomly, or select individual tracks as desired.

In addition to the music, 100 Christmas Carols features a dedicated tab for Christmas resources, providing users with links to various online resources related to Christmas celebrations. This feature adds an extra layer of engagement for users looking to explore more about the holiday. Overall, the program is a delightful tool for anyone looking to immerse themselves in Christmas cheer.