Lets say you have a 16 bar vocal that is being used in the original track that needs remixing, however you don’t know the key of the vocal. How does one go about finding the correct chords that melodically fit under the 16 bars of vocals? Is it just experience with the Piano or can some software help out with this sort of thing.br
If you’ve got Ableton 9 then you can use the convert to midi option which should give you an idea of what key the vocal is in.
Melodyne will show you the key pretty damn quick. Or have a piano up and tap the keys until you find the one the fits with it all harmonically and that will be the key.
Look at it with a spectrum analyzer. Play along some keys with the acapella. Works for me.