Back in the '20s and 30's there wasn't a whole lot of entertainment.
There was moving picture shows in the bigger towns and cites and radio.
But no TV, or internet, the only game is town was dance halls.
There were thousands of bands big and small, some traveling to increase their fan base.
The most important thing was have drunken revelers remember your name.
The base drum became the billboard for the band that everyone would see.
Here's a lot more of them.