Does your band have a safety net?
By this we mean do they have contingency plans in place in case of equipment failure? Do they have backup instruments and other equipement to ensure that the show will go on regardless?
We go through all our equipment on a regular basis and make sure that we have 2 of everything. Power supplies break down and without one an amplifier won’t work and without an amplifier – there’s no guitar. It’s important to identify every single point of failure and ensuring you have a workaround.