I use my own musical instruments to make this Karaoke, from beginning to end. (A Yamaha keyboard, a classical guitar (La Patrie), an acoustic guitar (Martin), an electric Guitar (Godin), my computer and a couple of program for musicians (Cakewalk, Reason 6, Wavpad, Videopad, Mixpad, Cooledit). And in some cases, midi files that I found on the internet)