Iconoclastic song-stress Ambrosia Parsley known to Air America Radio listeners for her pithy ''Ambrosia Sings the News'' segments and her nimble combo return from a spell in the music-biz wilderness with Who's Got Trouble?, an intimate, quietly dazzling gem. Parsley's impish, barbed voice conveys innocent wonder and worldly insight, a balance that's perfectly suited to her lyrics' plaintive melancholy and sly wit. And her bandmates'arrangements artfully mix cabaret spaciousness and modernist frills, with engaging results.

