DOUBLE BILLING: Cher has won a best...

DOUBLE BILLING: Cher has won a best actress Oscar (“Moonstruck”), nabbed a nomination for best Supporting actress (“Silkwood”) and has retired the trophy for nuttiest Oscar wear (last year’s outfit was the scariest thing we’d seen on TV until Geraldo’s Satanism special). But Cher has never really had a shot at best song. But wail till next year. After an intense round of lobbying, Cher was signed up to duet with Peter Cetera on “After All,” the theme song to “Chances Are,” an upcoming Tri-Star film starring Cybill Shepherd and Robert Downey Jr. Early word on the film is chilly indeed, but the buzz on the ballad (by Tom Snow & Dean Pitchford) is hot--and getting hotter. . . . Speaking of hot: radio programmers are already starting to jump on “Heaven’s Trail,” a new song from the just-released Tesla album (our early candidate for Metal Record of the Year). The album’s titled “The Great Radio Controversy,” an allusion to the fact that admirers of the band’s namesake, Nicolas Tesla, have long claimed that he--not Enrico Marconi--deserves credit for inventing the radio. The album is stocked full of other potential hits, including “Hang Tough,” “Lazy Days, Crazy Nights” and “Makin’ Magic.” . . . And who’s that grizzled old coot scooting around in an aviator jacket in Eddie Money’s “The Love in Your Eyes” video? None other than rock elder Ginger Baker, who runs the desert airstrip featured in the clip.