The timpani are among a symphony orchestra’s most exciting instruments. There’s nothing quite like a musician pounding away on wide kettledrums made from copper. But aside from the occasional dramatic ...

In honor of the San Francisco Symphony’s 100th season, The Examiner is showcasing contributors to the orchestra’s distinguished history.

The phrase on percussion virtuoso Jonathan Haas’ Web site about his “25-year quest to establish the timpani as a solo instrument” sounds like something out of the captain’s log on “Star Trek.” ...

VIOLIN, piano, flute, cello, harp -- the stars of the orchestra, sexy and ethereal, are known for their virtuosic solo flights. The timpani? Not so much. These sizable, low-register kettledrums are ...