What Is and What Should Never Be What Is and What Should Never Be "What Is and What Should Never Be" is a song by English rock band Led Zeppelin. It was written by Jimmy Page and Robert Plant and was included as the second track on "Led Zeppelin II" (1969). "What is and What Should Never Be" was one of the first songs on which Page used his soon-to-become trademark Gibson Les Paul for recording. The production makes liberal use of stereo as the guitars pan back and forth between channels. Robert Plant's vocals were phased during the verses. Record producer Rick Rubin has remarked, "The
The Bart Wants What It Wants episode, Jean stated that the scene was written at a time when celebrity look-alikes were making "excellent livings". At one point in the episode, Bart and Greta are seen playing Scrabble, a word game manufactured by Hasbro. The music cue that plays before and after Skinner's comedy routine is based on the intro music from the American television sitcom "Seinfeld". The episode title is a reference to the common phrase "the heart wants what it wants". In its original American broadcast, "The Bart Wants What It Wants" received a 6.1 rating, according to Nielsen Media Research, translating to approximately 6.4