The terms “turnaround” and “tag ending” are generic labels that do not indicate a partic-ular chord sequence; rather, they suggest the specific formal function of these progressions.In jazz, there is a certain subset of harmonic progressions whose names suggest specificchord successions. When jazz musicians use the term “Lady Bird” progression,for instance, it connotes a particular chromatic turnaround from Tadd Dameron’s tuneof the same title recorded in 1947. Figure 13.9 illustrates the chord structure of thatprogression using Model VI of harmonic realization