Ford recently released a new karaoke app, the Stingray Karaoke App, for the Ford Lightning and Mach-E models, with more models being able to get it later.
Stingray Karaoke Available for the First Time on Select Vehicles | Ford Media Center
Personally, I thought Wayne, Garth and crew did karaoke fairly well on their own without an app in their Pacer, but that's just me.
