I probably write a poem every 50 years.
We've been around about 20 years and we only have, what, two records? We're not terribly prolific.
If you're only making an album every 10 years, it better be good.
The best I can do is to make a film every two years.
I admire hip-hop artists because they drop so much music.
I definitely don't sit down every day and make a new song.
I have a good idea every two years. Give me a topic, I will give you the idea! [Reputed to have been a remark made to the head of his department at Caltech.]
Is it really every 10 years that you get to work on a great movie? That can't be.
I seem to write an opera about every 20 years; if you live long enough you can write four operas. I finished my third in 1970.