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I teach elementary music in Indianapolis. A third-grade teacher asked me to come up with a song to help her students memorize the Midwest states. So I got out my Ovation six-string, booted up Garage Band, got out my Zoom H2 mic, turned on a drum beat on the Clavinova (which you can't hear -- I only used it for a metronome reference), and put my noodle to work. This is the result. There is an echo section in the middle, for the kids to echo the name of each state. All you veteran GB users will have no trouble figuring out how the echo voice was produced.