You’re absolutely right about a Concert Pianist. You’re either a prodigy (which is rare), but to reach that level your fingers better be hitting the keys right after they cut the cord. Telling someone they’re too old at twenty is beyond insane. When growing up I knew people in their fourties starting lessons.
Sqk
Exactly! It'd be like for an average person wanting to get into reasonable shape and the trainer saying you're too old to become an MMA fighter so why register!