Rebecca Rubin Film and Media ReporterBono, Letitia Wright and Pharrell Williams are lending their pipes to Universal and Illumination’s animated comedy “Sing 2.”The sequel also introduces new characters voiced by Bobby Cannavale, Chelsea Peretti, Halsey and Eric Andre. They join the returning voice cast of Matthew McConaughey, Reese Witherspoon, Scarlett Johansson, Taron Egerton and Nick Kroll.“Sing 2” is set to open in theaters on Dec.