If my band wanted to preform on a downtown mall somewhere, how would we power our amps?

Question

I was thinking a solar pannel... would it work?

my amp is 15 watts... but its the smallest one in the band, we also have another guitar amp (really big) a vocal amp, and a bass amp.

Answer 1

The mall would more than likely provide power for you, but if you want to use solar power, that's admirable.  Unfortunately a solar panel big enough to power that much gear would be expensive, so it might not be cost-effective unless you're planning to do it on a regular basis.