In their six-year journey from scrappy power trio to global superstars, The Police made all sorts of intriguing detours. Debut single “Fall Out” captures the group in their primordial, punkiest state; just two years later, they were drifting into new agey prog-dub on “Reggatta de Blanc.” And with 1983's “Synchronicity I,” they refashioned Steve Reich-like oscillations into propulsive pop.