Here is a link of my review of Charlie Harmon's On the Road and Off the Record with Leonard Bernstein about his years of working as the personal assistant for Bernstein during the years "with the exasperating genius" on the on-line version of Rain Taxi
http://www.raintaxi.com/on-the-road-off-the-record-with-leonard-bernstein/?fbclid=IwAR2WT8-CxJGkXUYlj-3NnB8B8TBWGr50WFjMeKUvsy4Vo1XCeqrhyVeu0Xs