Gilbert has tracks named after geological landmarks (like "Mt. McKinley" or references to "Mount Fuji" in his solo work). These tracks display his ferocious speed and often utilize the "stack of thirds" harmonic concept he loves. While these are excellent songs, they are not typically the Christmas carols people are hunting for in December.
If you're looking for the specific sound used on his holiday recordings (like the album 'TWAS ): Mount Fuji Christmas Tabs - Paul Gilbert - E-Chords.com Paul Gilbert Mount Fuji Christmas Guitar Pro Tabs
Be careful. The internet is full of low-quality, crowd-sourced transcriptions that are 80% correct and 20% infuriatingly wrong. Here is the hierarchy for finding the definitive tab: Gilbert has tracks named after geological landmarks (like