In the early years of this century, including me the organizers, singers, marriage photographers did not know the value of clean sound in music concerts. Since common-marriage-photographers who are ordinary photo-studio-owners who were and are available in every nook and corner of every street who do not know about clean-audio since they don’t need cameras with audio-input slots (which are very costly) since no experience as they add audio to a marriage video in post-work in their computers hence they do not know the importance of the live-audio of a music concert. The very same marriage-photographers manage the musical events of organizers who contacted them, with the very same video cameras that did not have wired-audio-input slots, with the very same mindset, spoiling the stage output, adding a lot of distortion, noise of theatre-fans, theater-echo, talking of audience & cameraman etc. More, these marriage videographers have very bad habit of switching off & on their video camera at starting