These are charts by Steve Wilson of Santa Cruz, CA.
Here is an interview with Steve: https://www.youtube.com/watch?v=LyYK7J49nss
Here's a performance of Ode to Jobim: https://www.youtube.com/watch?v=w2zvXKvFCGQ
And another: https://www.youtube.com/watch?v=08EC_Pze7Vo
Performance Magic of your Love: https://www.youtube.com/watch?v=DUc7sT_zNII