I had good results doing that with Melodyne as long as the two voices aren't happening at the same time (i.e duet singers one octave from each...
I'm pretty sure. I remember that all the hard house and hard trance people in Europe back then wanted this original sample, which circulated...
They all sampled "C'hantal - The Realm (Acapella)" from 1992 that already had a reverb/delay on it. [MEDIA]
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