Chapter 25 tells of tuning for Peter Nero and giving him information about the premier of Rhapsody in Blue. Nero had always wondered what had happened to Aeolian Hall, where Rhapsody in Blue was premiered. I found the information on the internet for him. Here are some links to information on that premier and to a later concert that attempted to recreate the original performance, which is thought to have had more elements of jazz than later performances:
Here is a link to Nero’s biography:
It was an honor to visit with such an accomplished musician.