Over the years there has been a lot of YouTube material put up by a wide variety of people.. There are plenty of links here! My YouTube channel is  https://www.youtube.com/user/RickLaceyDrums Poorboy – a wonderful Chicago style Blues Band

https://www.youtube.com/watch?v=EBauA3g2S_Y

https://www.youtube.com/watch?v=1TjUaN5h7F0

https://www.youtube.com/watch?v=qLNsUK6H-7c

https://www.youtube.com/watch?v=4c1llNm2yoA

https://www.youtube.com/watch?v=5T8D4KEDZcY

https://youtu.be/JCWAIBQcm18

https://www.youtube.com/watch?v=WV1AqavCxZk

https://www.youtube.com/watch?v=rt7ZgTRY5AY

https://www.youtube.com/watch?v=gMQa8jYtn-0

https://www.youtube.com/watch?v=vC2cIPoPjuM

https://youtu.be/sYxucWdE8ws

https://www.youtube.com/watch?v=xFv47Iy5_ko&t=17s