Acoustic phonetics, which is developing and increasing in richness very rapidly, already enables us to solve many of the mysteries of sound, mysteries which motor phonetics could not even begin to solve.
People are very open-minded about new things - as long as they're exactly like the old ones.
It's like, how do you continue to make records that are representative of who you are that your fans will recognize as your band, while still trying to push things forward and present new sounds for people.