Forgot to say yes I used a string sound on the lower. Following on from the Korg Uk Webinar Ive started to eq each indiviual upper sound which I hope makes an overall difference to the final result.
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Gem Wk4, Solton Ms60, Technics Kn5000, Korg Pa50sd, Yamaha Psr k1, Tyros 4, Korg Pa700