No, but it's better to learn about the instruments, develop your ears and vocabulary so
you can hear sounds, identify a ballpark to get to, and then make the appropriate sound on
the appropriate instrument.
It's a good set of skills to develop.
But no one is going to interview every producer and programmer for every successful
track so theory can write down notes or production secrets and compile them all in a web
site so everyone can get spoon fed settings. And settings are only one part of the story
anyway (and often not the important part) - far more important is the part, the
arrangement, the mix, the performance etc etc.
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