 It was an assault on the senses from the moment the five singers were lowered to the stage as human marionettes for the opening "No Strings Attached".Jim Farber ("New York Daily News") felt the shows at Madison Square Garden were "cliché and contrived".He explains, "In fact, Tuesday's show proved there certainly are strings attached, though the tugging on NSYNC's post-adolescent limbs is coming not from unseen handlers but from a more insidious force.