Here's the perfect warmup routine for beginning harmonica players. With Adam Gussow of Modern Blues Harmonica.
§https://www.modernbluesharmonica.com/beginning_harmonica.html
§mailing list (scroll down): https://www.modernbluesharmonica.com/contact.html
§https://www.youtube.com/channel/UCfYHJbTZklgZU1bEVLaZyvQ
§https://www.youtube.com/user/KudzuRunner