It’s been over a year now since Geraldine Walther made a daring professional leap, giving up her position as principal viola in the San Francisco Symphony to join the Takacs Quartet. The Takacs is considered one of the world’s great string quartets, but orchestra jobs are considered to be more secure, and furthermore, there’s never a guarantee that the chemistry necessary for a great quartet to succeed will develop properly with a new member. For her part, Walther says that she’s having the time of her life.