The Simpsons opening sequence couch gag is shown, before the credits are displayed on a new widescreen flat panel television. Sometimes, the flat panel television falls to the floor and breaks, but unlike "Bart Gets a Z", the episode will begin then anyway. In the 500th episode, the opening sequence was a montage of all previous couch gags. Creator Matt Groening developed a lengthy opening sequence for the first season of "The Simpsons", in order to cut down on the animation necessary for each episode, but devised the two gags as compensation for the repeated material each week. In the first of the original
Phrase (music) and the relationships between phrases, and "is not at all a cut-and-dried affair, but the very lifeblood of music and capable of infinite variety. Discovering a work's phrase rhythm is a gateway to its understanding and to effective performance." The term was popularized by William Rothstein's "Phrase Rhythm in Tonal Music" (). Techniques include overlap, lead-in, extension, expansion, reinterpretation and elision. A phrase member is one of the parts in a phrase separated into two by a pause or long note value, the second of which may repeat, sequence, or contrast with the first. A phrase segment, "is a distinct