Cyndi Lauper has revived her role as psychic Avalon Harmonica to sing at the Bones Booth wedding. Lauper first played Avalon in the show in 2009 and returned in 2012 and again for this week’s episode where she gets to sing the Etta James classic ‘At Last’ as Temperance ‘Bones’ Brennan, played by Emily Deschanel,