When athletic height jumping was considered done and perfected, there was the Fosbury flop which opened new possibilities. Do you think there was such a moment in the music history? When someone showed how things can be done and from there everyone is using his/her technique?
I go with autotune. Biggest change in the last 20 years and everbody is doing it from amateur to professional.
One of the worst things that ever happened to music, and I blame Cher 😂