I have two questions. This maybe a setting I need to change on my Denon Dj Prime 4. How can I Cue and listen to my cued music where it doesn’t play in my live mix? Second is there a software or music pack I can install to get some traditional sound effects like the Sirens and Foghorns?
I am not sure I understand, but if I do; I’d lower the upfader for the deck, press the little cue button above it and now listen to the track in the headphones, playing with it and setting cues. Is this what you are after?
As for additional sound effects, I presume you mean FX. I do not believe you can get additional ones. There may be more coming with a firmware update, but nobody knows for sure. If there is a crucial FX that you are missing, make a feature request and hope that enough people vote for it to get the attention of the devs.