Whenever the classic scene from "Saturday Night Fever" suddenly bursts onto a screen - whether at a revival Movie Theater or on the old boob tube(featuring a svelte John Travolta swivelling his hips andgetting down with a flourish ofintoxicating seductive moves on the dance floor at the local Disco) viewers can't help but tap their foot to the catchy beat of the air as they are magically uplifted to a joyous euphoric high.
