If you hang around blues jams long enough, someone is going to call Got My Mojo Working by Muddy Waters.

And when they do, you’d better be ready.

This song is a Chicago blues classic and one of the most played jam session tunes of all time. It’s loud, it swings, it’s repetitive in the best way, and it gives everyone space to shine.

Here’s everything you need to jam it with confidence.

Have you ever heard musicians on stage say a bunch of numbers, like they’re talking in code?

“Okay it’s a standard two five one, watch the dominant six on the turnaround…”

Welcome to the Nashville numbering system.

Learn how to choose the right songs for a jam night. Discover 60 jammable blues, soul, and rock classics, modern grooves, and essential etiquette tips to make every jam flow, fun, and stress-free — even if you’re new.

First jam night coming up? Here’s a practical gear guide so you bring what you need, leave what you don’t, and walk on stage ready to play.