Dec. 1 (UPI) -- Gobo heads into the human world to get inspiration for a new song in the trailer released Monday by Apple TV for the holiday special The First Snow of Fraggle Rock . The trailer opens with the Fraggles eagerly awaiting the arrival of the first snow of the season. Red, voiced by Karen Prell, shares how she's built a sled in preparation for the snow and Gobo's annual holiday song. But neither appear to be forthcoming. "Everyone's expecting my song, but I haven't even started