Arnold Schoenberg, Johannes Brahms, Ludwig von Beethoven, Paul Hindemith - all great composers, but there's something missing: not a woman in the bunch. And that's nothing new, according to Serena Vaquilar, of the Oviatt Library's Special Collections unit, who just graduated with a master of music degree and was the driving force behind the library's "Women In Music" exhibit that ran through June 1.