Let's go even one step further: anything that's being amplified on a microphone for live performance is already "artificial". I do sound engineering for a band

Let's go even one step further: anything that's being amplified on a microphone for live performance is already "artificial". I do sound engineering for a band and I tweak the hell out of the EQ for live performance, also adding compressors and reverbs, and the difference night and day compared to bands that don't care about that, or don't have a sound guy who knows what they should like.