Ohhhh you did a kindness graffiti rock!! I love it!! I’m glad you found inspiration with the photo. Yes, since I met you I always remember you when I see a piano. ❤️
I don’t know the author, but the location is this:
https://maps.app.goo.gl/X9YmRJpuMHztZrZ86?g_st=ic
(You've been very close)