My grandmother got so excited when the Walt Disney Concert Hall opened 20+ years ago in downtown Los Angeles. Somehow she got tickets to see the LA Philharmonic during that premiere season and invited me along. Unfortunately I was out of town and couldn't go. She passed away in 2015. I promised myself that someday I'd bring her to a concert in spirit. On Valentine's Day I finally did. We watched one of Gustavo Dudamel's last performances as conductor of the LA Phil. And, for the nth time, I w...