Philadelphia’s The War On Drugs will perform on the Late Show with David Letterman this evening, April 25. The episode will air at 11:35 PM on CBS. The psychedelic rock band recently made their late night TV debut on Late Night with Jimmy Fallon, where the group performed “Baby Missiles” with special guest ?uestlove. War on Drugs have a busy summer ahead, including appearances at festival like Sasquatch, Primavera, Bonnaroo, Latitude, Melt!, Lollapalooza, Pickathon, Way Out West, Oya and others.