The man behind the muziek for ''The Dark Knight'' leads a guided tour of his unforgettable movie music, from ''Rain Man'' and ''Thelma & Louise'' to ''The Lion King'' and ''Pirates of the Caribbean''
As ''Sweeney Todd'' slices onto DVD, we revisit the 25 greatest ''all singing! all dancing!'' extravaganzas ever made, from ''South Park'' and ''A Hard Day's Night'' to ''Singin' in the Rain,'' ''West Side Story,'' and our No. 1