Feb. 26, Carnegie Hall, 881 7th Ave. (at W. 57th St.), 212-247- 7800; 7:30, $30. Iggy Pop, Philip Glass, Regina Spektor, Patti Smith and Gogol Bordello all join hands and voices to support Tibet House.You know, if only China knew how rockin’Tibet could be, they’d free that shit right up and listen to some swizzlin’ tunes.






