Riddle I am sure evryone has heard of....

1. If Ты know what I am, I am nothing, But if Ты don't know who I am I'm something. What/who am I?

2. How can Ты wrie a long sentence with дерево words?

3. Whats a pirate's Избранное music?

Guess them all-3 props. I stop giving them out March 12th at 7:00 pm EST