Those slips - I'd assume - tend to occur with people who have very high trust in memory. Sometimes something gets messed up. Doesn't even have to be due to forg

Those slips - I'd assume - tend to occur with people who have very high trust in memory. Sometimes something gets messed up. Doesn't even have to be due to forgetting something but rather overmemorizing versions of a song getting entangled upon accessing them. People who don't trust their memory will rehearse more thoroughly.