True, governments can reduce the rate of interest in the short run. They can issue additional paper money. They can open the way to credit expansion by the banks. They can thus create an artificial boom and the appearance of prosperity. But such a boom is bound to collapse soon or late and to bring about a depression.
When I did get signed and I was going around letting people know what I was about, that's exactly how I did it: me on the piano, playing a couple of songs I'd written and talking to the people in between. That's how I got my performance chops up.