(MUSIC) In 1970, the popular singer/songwriter Harry Nilsson released Nilsson Sings Newman, an LP of songs by the less-popular singer/songwriter Randy Newman that introduced scores of listeners to the brilliance of the Newman songbook. Tonight singer/songwriter/Harvey Danger frontman Sean Nelson returns the favor with Nelson Sings Nilsson, a one-night-only evening of songs from the incomparable Harry Nilsson. Performed with a 24-piece orchestra and the band "Awesome," it's a win-win gimmick, drawing much-deserved attention to the Nilsson songbook while providing a most attractive setting for Nelson's simply lovely voice. (Town Hall, 1119 Eighth Ave, brownpapertickets.com, 7 pm, $10 adv/$12 DOS, all ages.)