All these domains are taken:
yada.com
yadayada.com
yadayadayada.com
yadayadayadayada.com

But not this one:
yadayadayadayadayada.com

Imagine:

“Lennon” and “John Lennon” are trademarks of Yoko Ono Lennon.

http://www.jlsc.com/