A formidable vocalist and captivating entertainer, Judy Garland has provided fodder for theatrical pop artists and big-voiced Broadway babies. Rufus Wainwright's admiration prompted him to replicate her Carnegie Hall album; you can hear her influence in the swoon and strut of his “Foolish Love.” And divas from Barbra Streisand to Lea DeLaria have copped her winning combo of fragility and chutzpah.