After Lennon's death the idea of reunion practically vanished.
Still, Paul McCartney, Star and Harrison got together during their work on "Free as a Bird" (which included the vocals of the late Lennon) for "Anthology 1", released in 1995, and for "Real Love" for "Anthology" 2 ”from 1996.
n ballet, a variation (sometimes referred to as a pas seul, meaning to dance alone) is a solo dance. In a classical grand pas de deux, the ballerina and danseur each perform a variation.