April 24

Spiral/Positive
8:30 p.m., Cowell Theater, Fort Mason

Composer and digital sampling pioneer Bob Ostertag presents two innovative musical works that confront the AIDS epidemic from different perspectives. Spiral, a world premiere commissioned by the Exploratorium, deals with death and loss, and Positiv e focuses on life and love. Spiral/Positive is made possible by AT&T: New Experiments in Art and Technology. Tickets, which are $15 for general admission and $12 for students, seniors, and Exploratorium members, are available at the door or through City Box Office. Call (415) 392-4400 for more information.


April 27

Spiral/Positive
See April 24 for details.