What Am I Riddles

Question: Draw, fire, or fill me;
I'm still empty.

What am I?

Question: People pick me, and watch me until they give me power. Then they don't stare in my eyes. What am I?

Question: You can find them on plants. One is for music. Most have two. Someone may ask you for yours. Politely, you lend yours to another. Only if you are good you can play by it.

Question: What can fall but never stay, something colorless with peoples dislikes?

Question: I am there !!! but I was!!!