BACK ON DVD! The year was 1960. A payola scandal shocks the music world. Movie fans are introduced to glorious Smell-O-Vision. The 50-star flag is adopted. And in G.I. Blues, Elvis adopts an on-screen persona he knows well in real life-a singin' G.I. in West Germany. Eager to open a stateside nightclub after his hitch in khakis, he takes part in a wager to raise the dough he needs. The bet: he can melt the iceberg heart of a willowy dancer (Juliet Prowse). But all bets may be off when real love intervenes