You might want to investigate some music players that allow you to drop Markers in like you can with sequences. Having the freedom to restructure your backing or break music, to do extra choruses if the crowd is dancing, or to shorten a song if they aren’t, it’s a game changer.

I’m a Mac guy, but I would be very surprised if programs aren’t available that do this for Windows. Take a look at some of the programs designed for modern church music directors. A lot of them use multitrack audio backing.