Du screen recorder,,,but it doesn't capture sound,,,you have to record the sound on the mixer,,then open a video editor and place the mix on the mute video
Pehle ek song KO cross DJ mein load Karo,phir song ka koyi bhi jaga choose Karo,phir beat looping option mein cue option KO dabao.phir aapka cue point set ho jayega