How Does a Pianist Remember the 30,000 Notes of the 'Rach 3'?

This piece is republished from Margulis' "Pianist to Pianist" blog. Scientific research by Charles Brenner and Jeffrey Zacks has observed that walking through doorways interferes with memory and facilitates forgetting. More specifically, their "doorway effect" is a theory based on the fact that retaining a memory is more difficult after literally walking through an actual doorway (to another room, the outside, the other lecture hall, in or out the church, a stage door etc). It appears that memor...