Capturing the audio is the most common point of failure. You generally need to capture both the "Primary Sound Device" and a "Secondary Sound Device" to record your microphone and the software audio simultaneously.
Two industry giants often collide in search queries: (the screen recorder) and Virtual DJ (the mixing software). But how do they work together? Is Bandicam good for recording audio from Virtual DJ? Can you stream live from Virtual DJ using Bandicam? bandicam virtual dj