The notable artists on your television this week include: James Vincent McMorrow (Kimmel; 12/6), Pentatonix (Kimmel; 12/7), A Tribe Called Quest (Kimmel; 12/9), John Mayer (Fallon; 12/6), The Hold Steady (Meyers; 12/5), John Legend (Corden; 12/5), Dinosaur Jr. (Conan; 12/6), and Macklemore (Ellen; 12/8).