Beethoven song!!! Please helpp!!!?

Ok in my dance cl we are dancing to a beethoven for our modern ballet piece. It goes like nun NA nun nun nun na na nuh nuh really fast like a opera clical song and its like with a violin or something and its NOT beethoven 5th symphony in c minor, moonlight sonata, allergo con brio or fur elise. Do u knpw wat song im talkin about or wat it could be??