To Bach, notes were not just sounds but the very stuff of creation.
“Leonard Bernstein discusses material & structure in Bach’s St. Matthew Passion,” Bernstein Century - Bach: St. Matthew Passion / Nypo, Et Al (1999) (at 6:31)
Sutro Heights Park (Wikipedia)Sutro Heights Park is an historic public park in the Outer Richmond District of western San Francisco, California. It is within the Golden Gate National Recreation Area and the Sutro Historic District.