The channels on XM are: 1. Christmas Channel - A selection of Christmas music, from traditional to modern. 2. Holiday Classics - A mix of classic holiday tunes, from carols to hymns. 3. Classical Christmas - A collection of classical and traditional Christmas music. 4. Holiday Jazz - Smooth jazz holiday favorites. 5. Holiday Rock - A mix of rock and roll holiday tunes. 6. Holiday Pop - A blend of pop holiday music.