
Nothing's making you use an Apple router, of course. The only other way I can see to do it using a Mac is to bring a small Wi-Fi hotspot with you, like an AirPort Express or another portable device that will enable you to create a temporary hotspot that the two devices can connect to each other and see each other through. Creating an ad-hoc network for your Apple TV to connect to used to work back in the Snow Leopard days, but broke somewhere around Lion and hasn't come back.Ī direct ethernet-to-ethernet connection would seemingly be out of the question as well, thanks to the "position distances" issue that D.T. from the Wi-Fi menu in OS X Yosemite), but the Apple TV couldn't see it.

I tried creating an ad-hoc Wi-Fi network on my Mac (by selecting Create Network. Assuming getting the karaoke content on an iOS device isn't an option, I'm afraid I don't have much better news.
