Daryl Hall & John Oates' rich hooks and sweet harmonies ruled American pop long enough to inspire a slew of up-and-comers—and their chameleonic nature meant that those new faces included system-bucking alt-rockers and tear-jerking balladeers alike. New Radicals' strivers' anthems and Michael Bolton's smitten balladry both have their roots in Hall & Oates' emotion and artistry.