Point-and-shoot cameras are not well suited for concert photography.
They are marginal, at best.
But with the right settings and techniques you can improve your chances of getting some good shots.
1. Turn off the flash. The flash is too weak to light-up a whole stage. And when it is turned-on, the shutter speed is preselected to 1/60th of a second. You want the shutter speed to be able to select slower speeds. Turn the flash off.
2. Change the mode selection from auto to "indoor". This should force the camera to use higher ISO settings and maximum aperture setting.
3. Use as little optical zoom as you can. This gives you a better aperture setting. No optical zoom is best.
4. Use the viewfinder to frame your shots, not the LCD.
Since you will be shooting at slow shutter speeds, you must make every effort to hold the camera still. When you use the viewfinder the camera is held against your face. Your head is steadier than two outstretched arms.
You can try some practice shots before the concert.
Set the camera as described above and shoot some photos in a restaurant or a well lit bar or pub. See what kind of results you get.
If the results are poor....let us know what the shutter speed, aperture, and ISO settings are for the bad shots.
You can check the EXIF information that is always included in digital photo files. Look to see what the camera selected for shutter speed, aperture setting and ISO setting.
I'll be attending a couple of concerts next month and I need help on what settings would be good for a concert on the Canon Powershot A530. I plan on being right next to the barricade so I'll be pretty close to the bands. If anyone can help me with the settings and some tips I'd really appreciate it.