XM radio offers a variety of stations that play Christmas music. The most popular Christmas music stations are "The Christmas Channel" (channel 35), "Holiday Traditions" (channel 36), and "Holiday Pops" (channel 37). All of these stations offer a diverse selection of holiday tunes, from classic carols to modern hits. Additionally, XM radio offers a variety of stations that feature holiday-themed programming, such as "Happy Holidays" (channel 127) and "Holiday Favorites" (channel 128).