You can use this choir instrument in Renoise for free: https://github.com/VoidVertex/Sounds/blob/master/RENOISEChoir%20Void_Vertex.xrni?raw=true
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Christopher Kaye
A Synesthete Music Producer and illustrator.
Synesthesia is a mixing of the senses in the brain
in this case with sound and visual.
Since childhood Kaye has been seeing and drawing sounds. Since working with sound, it has became the hub of his music production.