I've seen a couple of videos from a guy at Namm who was supposed be promoting Korg Arrangers he wasn't really pushing them and showing what they could do. I'm referring to the Pa700 and Pa1000. I'm sure if you was trying to promote your latest bit of kit at a trade show you would be really promoting it.
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Gem Wk4, Solton Ms60, Technics Kn5000, Korg Pa50sd, Yamaha Psr k1, Tyros 4, Korg Pa700