Do these words have positive, negative, or neutral connotations?

harmony, sound, racket, shriek, melody, music, noise, pitch, voice, talkative, articulate, chattering, eloquent, vocal, verbose, gossipy, fluent, gabby, decorative, beautiful, modern, ornate, over elaborate,dazzling, flashy, elegant, sparkling, long, lingering, enduring, continued, drawn-out, stretched, never-ending, unbreakable, incessant, calculating, shrewd, crafty, ingenious, keen, sensible, sly, smooth, under-handed