This group is open to anyone interested in Danny Ziemann's book on harmony and the bass - either upright or bass guitar. Of course, having the book will be pretty much essential. I found my copy on Amazon, but hopefully they are elsewhere too. There is a PDF download on Danny's website: https://dannyziemann.company.site/Topics-in-Jazz-Bass-Vol-1-Harmony-PDF-p115962438 "Supplemental audio" can be found on www.dannyziemann.com - front page, just above the images of the book covers, for which you h