I know the song request code for Radioboss is hard to install for most people here is a simple way around this For Worpress users. Install this free Wordpress chat plugin https://wordpress.org/plugins/tawkto-live-chat/ use it to take requests only when sitting infront of your computer when visitors see the chat box on the site they can make a request. You will have to add a list of all the track in the playlist on your Wordpress site so users can pick a song to request.