Please answer this... plleeaase?

What are some fundraising ideas? I have this really big trip with band, and it's $320... and I don't know if my mom will pay... and I want spending money too (it's at disneyland! yay!) I need some fundraisers that would make money, and that are creative/unique. I play flute (I am good, I am in the state honor band). I was thinking I could go door-to-door saying something like "for $2 I'll play a renaissance or clical song. I am raising money for a trip with the school band, for ____ school (i don't want to post that here). Any ideas, or is mine good? ANSWER NOW PLEASE I WANT TO DO THIS TODAY! and not a lemonade stand or bake sale... or car wash... or raffle.