Download !!exclusive!! Vu Meter Plugin
Use the clip gain on your audio region or a utility plugin before the VU meter to adjust the volume. Aim for the needle to average around 0 VU during the loudest parts of the performance.
For accurate results, calibrate the VU plugin: download vu meter plugin
The first thing you notice is the interface. It is clean, resizable, and visually customizable. Use the clip gain on your audio region