That's why 60,000 people go ape when the Stones play 'Satisfaction.' The songs are part of their legacy, and you fall back in love with them over the years.
I've done both theatre and film and the fact is if you start believing, if you start reading things and they're good reviews - you believe that and you're lost, and then you read bad reviews and you think that's true and you read that and you're lost.