At Cal Performances - The season's musical highlights include recitals by sopranos Karita Mattila, Audra McDonald and Isabel Bayrakdarian, mezzo-soprano Lorraine Hunt Lieberson and pianist Krystian Zimerman, as well as a concert by the Freiburg Baroque Orchestra with bass-baritone Thomas Quasthoff. http://www.sfgate.com/cgi-bin/article.cgi?file=/chronicle/archive/2002/04/16/DD212812.DTL Janos Gereben/SF [log in to unmask]