matrix mixer
... that a matrix mixer may be used during a concert to stream a different blend of sound to distant audiences?
... that a <b id="mwDNI"><a href="./Matrix_mixer" id="mwDNM" rel="mw:WikiLink" title="Matrix mixer">matrix mixer</a></b> <i id="mwDNQ">(example pictured)</i> may be used during a concert to <a href="./Streaming_media" id="mwDNU" rel="mw:WikiLink" title="Streaming media">stream</a> a different blend of sound to distant audiences?