As I sat through AntiGravity: The 2007 Tour, listening to a variety of second-rate pop and rock hits about flight, I kept waiting for Stephen Schwartz's "Defying Gravity" to fill the air. It turned out to be one of many dashed expectations for this surprisingly disappointing show.

This particular 90-minute outing (not counting intermission) -- which is making its final stop at the Hammerstein Ballroom through July 2 -- is reportedly comprised of the "greatest hits" of the troupe's past 16 years. To be honest, that makes me a little concerned about what their lesser material looks like. Even at its best, AntiGravity is a poor man's Cirque de Soleil -- minus that group's innovative costumes, [...]